[歸納拓展] go aboard 上船；上飛機 All aboard！[口] 請大家上船/車/飛機！ Welcome aboard! 歡迎乘坐！ on board(＝aboard) 在船上；在飛機上 ①The plane crashed killing all 200 people aboard. 飛機失事，機上200人全部遇難。 ②Later we learnt that there was a very important person on board. 后來我們才聽說，飛機上有位非常重要的人物。 [辨析→明晰異同]

　　aboard 副詞、介詞，表示“在(船、飛機、火車、公共汽車)上”。 abroad 副詞，指“在國外”。 board 動詞，表示“登機；上船；膳宿；用木板做”，也可以是名詞，表示“木板；董事會等”。 broad 形容詞，意為“寬闊的”。 答案：①replaced；with　②replaced；on

　　[高考尋蹤] (2024·廣東閱讀C)Another argument against television is that it replaces reading as a form of entertainment. 另外一個反對電視的觀點是它作為一種娛樂形式代替了讀書。 [歸納拓展] (1)be delighted at/with/by對……感到高興 be delighted to do sth.很高興做某事 be delighted that-clause很高興…… (2)delight n．[U]快樂，高興；[C]使人高興的事，樂事 vt.& vi.(使)高興；以……為樂 have/find/take delight in高興……；以……為樂 to one's delight令某人高興的是 with/in delight高興地；樂意地

　　①To her great delight she passed the examination with firstclass honours. 讓她非常高興的是，她以優(yōu)等成績通過了考試。 ②Jacelin seems to have/find/take delight in making other people suffer. 杰斯林似乎以使他人痛苦為樂。

　　[高考尋蹤] (2024·福建單選)To my delight, I was chosen from hundreds of applicants to attend the opening ceremony. 令我感到高興的是，我被從幾百申請人中選出來參加開幕式。

　　[歸納拓展] up to now/until now 到目前為止 (every) now and then 不時，時而 from now on 從現(xiàn)在起 in that 因為 ①We go to the movies every now and then. 我們常常去看電影。 ②She was fortunate in that she had friends to help her. 她很幸運，因為有一些朋友幫助她。 [辨析→明晰異同]

　　because 意為“因為”；表示直接原因，語氣較強，原因構(gòu)成句子的最主要部分。why提出的問題常由because回答。 as 意為“由于；鑒于”；語氣比because弱，主、從句同等重要。 now that 與since意義接近，意為“既然，由于”；多表示顯然或已知的原因，語氣最弱，語意側(cè)重主句。 for 意為“因為；由于”；表示附加或推斷的理由。because，as，now that，since都是從屬連詞，引導(dǎo)原因狀語從句，可置于主句之前或之后；for為并列連詞，連接兩個并列分句，置于兩個分句之間，for前常有逗號。

　　[高考尋蹤] (2024·湖南閱讀B)Now that Chicago's waste water was draining efficiently into the Chicago River, the city's next step was to clean the polluted river. 既然芝加哥的廢水被有效地抽到芝加哥河里，這個城市接下來就是治理被污染的河流。

　　③You should take your toys off the table.() ④I want to take next Friday off.() ⑤They are taking 5% off all goods in the supermarket. () 答案：①起飛　②脫下　③拿走　④請假　⑤打折

　　[歸納拓展] take away 拿走；減去；解除 take in 收留；使……上當(dāng)；欺騙；領(lǐng)會；明白；包容；容納；訂閱(報刊) take out 拿出，去掉；扣除 take on 承擔(dān)，從事；呈現(xiàn)；同……較量；接受……的挑戰(zhàn) take...for 把……誤認為……；把……看作…… take up 開始從事；占據(jù)；著手處理；把……繼續(xù)下去 7．Amateur astronomer David Bates was looking at the moon through his telescope last night when he got a big surprise. 昨天晚上業(yè)余天文學(xué)家大衛(wèi)·貝茨用天文望遠鏡觀看月球，突然他有一個驚人的發(fā)現(xiàn)。 答案：①were having a meeting when　②was walking in the street when

　　[歸納拓展] when作并列連詞用，意為“正在這時”。可用于下列句型： be doing sth. when... 正要做某事這時…… be about to do sth. when...正要做某事這時…… be on the point of doing sth. when...正在做某事這時…… had done sth. when...剛做了某事這時……

　　①I was about to go out when the telephone rang. 我正要出門，這時電話響了。 ②He had just finished his homework when his friend Tom called him. 他剛做完家庭作業(yè)，這時他的朋友湯姆給他打來電話。 基礎(chǔ)知識鞏固 6．The high official was put into prison for __________ (finance) reasons. 7．The __________ (history) research on ancient Chinese buildings has been carried out. 8．They repaired the desk instead of __________ (replace) them with new ones. 答案：1.production　2.achievement　3.delighted　4.economic　5．congratulations　6.financial　7.historical　8.replacing

　　4．哦，得了吧，別對我撒謊。 Oh, __________________， don't lie to me. 5．知道父親信任我，這使我更自信了。 Knowing that my dad ____________ me gave me permission to ________________ myself. 6．她是第一位贏得奧運會金牌的女士。 She was _________________ the gold medal in the Olympic.

　　7．我們正在討論那個問題時突然停電了。 We _________________ there was a power failure. 8．這是他們第一次到這里也會是最后一次。 This is the first time that ______________ and it'll be the last. 答案：1.Now that　2.in total　3.concentrating on　4.come on　5.believed in；believe in　6.the first woman to win　7.were discussing the problem when　8.they have been there 答案： As is known to us all, China has become the third country to send man into space in the world. On June 11, 2024, Shenzhou X took off successfully. There are three cosmonauts aboard it in total, including a female taikonaut Wang Yaping. To my delight, she is also from Shandong. While orbiting, she delivered our country's first-ever video lecture in space. When Shenzhou X was being sent up, many national leaders watched the whole process and offered their congratulations to the staff on their achievements. I believe in our scientists and believe our skylab will be founded in 2024.

　　路漫漫其修遠兮 吾將上下而求索 走向高考 · 英語 外研版 · 高考總復(fù)習(xí) Module 5　Newspapers and Magazines 必修二 第一部分　基礎(chǔ)知識聚焦 考點探究演練 2 基礎(chǔ)知識鞏固 3 基礎(chǔ)知識晨記 1 基礎(chǔ)知識晨記

　　Ⅰ.單詞速記 核心必記 1．__________(vt.)歡迎 2．__________(vt.)代替；取代 3．__________(adj.)高興的；快樂的 4．__________(n.)評論 5．__________(vt.)創(chuàng)立；建立 6．____________(n.)祝賀 →___________(vt.)祝賀

　　welcome replace delighted review found congratulation congratulate

　　7．__________(adv.)在船(飛機、火車、公共汽車)上 →___________(vt.)上船(飛機、火車、公共汽車) 8．___________(n.)成就；功業(yè)；偉績 →___________(vt.)取得(成就) 9．__________(vt.)創(chuàng)作 →___________(n.)創(chuàng)作，生產(chǎn) →___________ (n.)產(chǎn)品 aboard board achievement achieve produce production product 高頻必知 10．__________(n.)軌道 (vt.) 繞軌道飛行 11．__________(adj.) 業(yè)余的 12．__________(adj.) 金融的 13．__________(n.)經(jīng)濟 →____________(adj.)經(jīng)濟的，節(jié)約的 →____________(n.)經(jīng)濟學(xué)家 →____________(adj.)經(jīng)濟的 orbit

　　amateur financial economy economical economist economic

　　14．__________(adj.)政治 →____________(adj.)政治的 →____________(n.)政治家 15．__________(adj.)歷史性的 →____________(adj.)有歷史意義的 →____________(n.)歷史

　　politics political politician historical historic history

　　16．__________(n.)不信；懷疑；疑惑 →____________(n.)信念；信條 →____________(vt.)相信 →____________(adj.)可以相信的 17．__________(n.)證據(jù) →____________(adj.)顯然的 18．__________(adj.)文化的 →____________(n.)文化 →____________(adj.)多元文化的 disbelief belief believe believable evidence evident cultural culture multicultural

　　[情景活用] 用所給詞的正確形式填空 ①Don't admire his __________. You will __________your ambition if you work hard.(achieve) ②A __________ is one who is __________ and interested or involved in __________ and holds strong beliefs in it.(politics) ③It is __________ that it was his __________ in God that gave him hope during difficult times and it sounds __________. (belief)

　　④Australia has its own __________ identity. That's to say, its __________ is different from that of other countries.(culture) 答案：①achievement；achieve　②politician；political；politics　③believed；belief；believable　④cultural；culture Ⅱ.短語互譯 1．起飛______________________ 2．總共；合計

　　______________________ 3．既然

　　______________________ 4．相信

　　______________________ 5．集中注意力

　　______________________ 6．in space

　　______________________ 7．in the history of

　　______________________ 8．take photographs of

　　______________________ 9．come on

　　______________________ 10．be similar to

　　______________________ take off in total now that believe in concentrate on 在太空 在……的歷史上 拍攝……的照片 加油；得了吧；趕快 和……相似 [情景活用] 選用以上短語填空 ①_________ there is a new tunnel, the road is less dangerous. ②If you __________________ him, I certainly will also. ③There was a delay of two hours before the plane _______. ④We should __________________ our study now, because lost time never returns. ⑤Your opinion about this matter _______ ours in many ways. 答案：①Now that　②believe in　③took off　④concentrate on　⑤is similar to

　　Ⅲ.典句析練 1．When Yang took off from Jiuquan in northwest China at 9 am yesterday, China became _____________________into space. 昨天上午9點，楊利偉在中國西北部的酒泉起飛，中國成為世界上第三個把人送入太空的國家。 [解析]　當(dāng)表示“做某事的第一/二/三……/最后一個人/物”時，要用the first/second/third...last person/sth. to do sth.。 [仿寫]約翰是第一個想出這種辦法的人。 John was ________________________________the way.

　　2．Amateur astronomer David Bates looking at the moon through his telescope last night __________ he got a big surprise. 昨天晚上，業(yè)余天文學(xué)家大衛(wèi)·貝茨正在用天文望遠鏡觀看月球，就在那時他有了一個驚人的發(fā)現(xiàn)。 [解析]　句中的when是并列連詞，意為“就在那時”。 [仿寫]　他們眼看就要放棄了，這時救援趕到了。 They ____________________________________ help came.

　　3．__________________ I have made this first visit, I hope I can come many more times. 既然我已經(jīng)有了這第一次參觀，我希望我能多來幾次。 [解析]　now that引導(dǎo)原因狀語從句。 [仿寫]　既然你已長大，就必須停止這種幼稚的行為。 ______________________________， you must stop this childish behaviour.

　　4．__________________ he's seen aliens landing on the moon? 這是他第一次看見外星人登陸月球嗎？ [解析]　This is the first time...“這是第一次……”，從句中用現(xiàn)在完成時。 [仿寫]　這是他第三次贏得金牌。 It is the third time that he __________________.

　　答案：1.the third nation to send a man the first person to think of 2．when；were about to give up when　3.Now that；Now that you have grown up　4.Is this the first time；has won the gold medal

　　Ⅳ.單元語法 時間狀語從句和原因狀語從句 語法填空 1．Air pollution is getting more and more serious, so we must take action __________ it is too late. 答案：before　句意：空氣污染越來越嚴重，所以我們必須趁還來得及的時候采取行動。根據(jù)句意可知，應(yīng)用before，表示“在……以前”。

　　2．By 6∶00 pm，______ it was almost closing time, all the cars had been sold out. 答案：when　句意：截至下午六點，當(dāng)幾乎要停止?fàn)I業(yè)的時候，所有的汽車都賣出去了。分析句子結(jié)構(gòu)可知，第二個逗號前后是兩個完整的簡單句，不缺少任何句子成分，故用when。when在此引導(dǎo)時間狀語從句，起連詞的作用。

　　3．Now__________we have lost all the money, it's no use turning on me and saying it's all my fault. 答案：that　考查連詞。句意：既然我們已經(jīng)丟失了所有的錢，抨擊我說都是我的錯沒用。now that“既然”，引導(dǎo)原因狀語從句。

　　4．—May I go and play with Dick this afternoon, Mum? —No, you can't go out __________ your work is being done. 答案：as　此題容易誤認為是考查not...until...結(jié)構(gòu)。句中的your work is being done表明“你正在做作業(yè)”，故用as表示原因。

　　5．__________ I saw the beautifully decorated house, I really wondered how she could manage that all by herself. 答案：When　句意：當(dāng)看到這座裝飾漂亮的房子時，我真的想知道她是怎樣獨自做到的。when引導(dǎo)時間狀語從句，符合句意。 考點探究演練 答案：congratulations on；congratulated him on [歸納拓展] (1)Congratulations! 祝賀！恭喜！ offer/send one's congratulations to sb. on sth. 為某事向某人祝賀 (2)congratulate v．祝賀 congratulate sb. on(doing) sth. 向某人祝賀某事 congratulate oneself on sth. 為……慶幸/感到自豪 ①You've passed your driving test! Congratulations! 你駕駛測驗合格了！恭喜！ ②I congratulated myself on my good fortune. 我為自己的好運氣感到高興。 [辨析→明晰異同]

　　congratulate congratulate sb.on sth.“慶祝或祝賀某人某事”，指向某人祝賀、希望他人幸福或走運。congratulate的名詞形式是congratulation。 celebrate celebrate sth.“慶祝(儀式、勝利、典禮等)”，通常指舉行盛大、隆重的儀式慶祝或紀念有意義的日子或某件事情，多暗示節(jié)日般的歡樂場面。celebrate的名詞形式是celebration。

　　[一言辨異] They celebrated their 25th wedding anniversary in Florence and all their old friends went to congratulate them on their silver wedding, which moved them deeply.

　　他們在佛羅倫薩慶祝他們25周年結(jié)婚紀念日，所有的老朋友都前去祝賀他們的銀婚，這使得他們極為感動。 答案：①aboard　②go/get aboard

　　[歸納拓展] go aboard 上船；上飛機 All aboard！[口] 請大家上船/車/飛機！ Welcome aboard! 歡迎乘坐！ on board(＝aboard) 在船上；在飛機上 ①The plane crashed killing all 200 people aboard. 飛機失事，機上200人全部遇難。 ②Later we learnt that there was a very important person on board. 后來我們才聽說，飛機上有位非常重要的人物。 [辨析→明晰異同]

　　aboard 副詞、介詞，表示“在(船、飛機、火車、公共汽車)上”。 abroad 副詞，指“在國外”。 board 動詞，表示“登機；上船；膳宿；用木板做”，也可以是名詞，表示“木板；董事會等”。 broad 形容詞，意為“寬闊的”。 答案：①replaced；with　②replaced；on

　　[高考尋蹤] (2024·廣東閱讀C)Another argument against television is that it replaces reading as a form of entertainment. 另外一個反對電視的觀點是它作為一種娛樂形式代替了讀書。 [歸納拓展] (1)be delighted at/with/by對……感到高興 be delighted to do sth.很高興做某事 be delighted that-clause很高興…… (2)delight n．[U]快樂，高興；[C]使人高興的事，樂事 vt.& vi.(使)高興；以……為樂 have/find/take delight in高興……；以……為樂 to one's delight令某人高興的是 with/in delight高興地；樂意地

　　①To her great delight she passed the examination with firstclass honours. 讓她非常高興的是，她以優(yōu)等成績通過了考試。 ②Jacelin seems to have/find/take delight in making other people suffer. 杰斯林似乎以使他人痛苦為樂。

　　[高考尋蹤] (2024·福建單選)To my delight, I was chosen from hundreds of applicants to attend the opening ceremony. 令我感到高興的是，我被從幾百申請人中選出來參加開幕式。

　　[歸納拓展] up to now/until now 到目前為止 (every) now and then 不時，時而 from now on 從現(xiàn)在起 in that 因為 ①We go to the movies every now and then. 我們常常去看電影。 ②She was fortunate in that she had friends to help her. 她很幸運，因為有一些朋友幫助她。 [辨析→明晰異同]

　　because 意為“因為”；表示直接原因，語氣較強，原因構(gòu)成句子的最主要部分。why提出的問題常由because回答。 as 意為“由于；鑒于”；語氣比because弱，主、從句同等重要。 now that 與since意義接近，意為“既然，由于”；多表示顯然或已知的原因，語氣最弱，語意側(cè)重主句。 for 意為“因為；由于”；表示附加或推斷的理由。because，as，now that，since都是從屬連詞，引導(dǎo)原因狀語從句，可置于主句之前或之后；for為并列連詞，連接兩個并列分句，置于兩個分句之間，for前常有逗號。

　　[高考尋蹤] (2024·湖南閱讀B)Now that Chicago's waste water was draining efficiently into the Chicago River, the city's next step was to clean the polluted river. 既然芝加哥的廢水被有效地抽到芝加哥河里，這個城市接下來就是治理被污染的河流。

　　③You should take your toys off the table.() ④I want to take next Friday off.() ⑤They are taking 5% off all goods in the supermarket. () 答案：①起飛　②脫下　③拿走　④請假　⑤打折

　　[歸納拓展] take away 拿走；減去；解除 take in 收留；使……上當(dāng)；欺騙；領(lǐng)會；明白；包容；容納；訂閱(報刊) take out 拿出，去掉；扣除 take on 承擔(dān)，從事；呈現(xiàn)；同……較量；接受……的挑戰(zhàn) take...for 把……誤認為……；把……看作…… take up 開始從事；占據(jù)；著手處理；把……繼續(xù)下去 7．Amateur astronomer David Bates was looking at the moon through his telescope last night when he got a big surprise. 昨天晚上業(yè)余天文學(xué)家大衛(wèi)·貝茨用天文望遠鏡觀看月球，突然他有一個驚人的發(fā)現(xiàn)。 答案：①were having a meeting when　②was walking in the street when

　　[歸納拓展] when作并列連詞用，意為“正在這時”。可用于下列句型： be doing sth. when... 正要做某事這時…… be about to do sth. when...正要做某事這時…… be on the point of doing sth. when...正在做某事這時…… had done sth. when...剛做了某事這時……

　　①I was about to go out when the telephone rang. 我正要出門，這時電話響了。 ②He had just finished his homework when his friend Tom called him. 他剛做完家庭作業(yè)，這時他的朋友湯姆給他打來電話。 基礎(chǔ)知識鞏固 6．The high official was put into prison for __________ (finance) reasons. 7．The __________ (history) research on ancient Chinese buildings has been carried out. 8．They repaired the desk instead of __________ (replace) them with new ones. 答案：1.production　2.achievement　3.delighted　4.economic　5．congratulations　6.financial　7.historical　8.replacing

　　4．哦，得了吧，別對我撒謊。 Oh, __________________， don't lie to me. 5．知道父親信任我，這使我更自信了。 Knowing that my dad ____________ me gave me permission to ________________ myself. 6．她是第一位贏得奧運會金牌的女士。 She was _________________ the gold medal in the Olympic.

　　7．我們正在討論那個問題時突然停電了。 We _________________ there was a power failure. 8．這是他們第一次到這里也會是最后一次。 This is the first time that ______________ and it'll be the last. 答案：1.Now that　2.in total　3.concentrating on　4.come on　5.believed in；believe in　6.the first woman to win　7.were discussing the problem when　8.they have been there 答案： As is known to us all, China has become the third country to send man into space in the world. On June 11, 2024, Shenzhou X took off successfully. There are three cosmonauts aboard it in total, including a female taikonaut Wang Yaping. To my delight, she is also from Shandong. While orbiting, she delivered our country's first-ever video lecture in space. When Shenzhou X was being sent up, many national leaders watched the whole process and offered their congratulations to the staff on their achievements. I believe in our scientists and believe our skylab will be founded in 2024.

　　路漫漫其修遠兮 吾將上下而求索 走向高考 · 英語 外研版 · 高考總復(fù)習(xí) Module 5　Newspapers and Magazines 必修二 第一部分　基礎(chǔ)知識聚焦 考點探究演練 2 基礎(chǔ)知識鞏固 3 基礎(chǔ)知識晨記 1 基礎(chǔ)知識晨記

　　Ⅰ.單詞速記 核心必記 1．__________(vt.)歡迎 2．__________(vt.)代替；取代 3．__________(adj.)高興的；快樂的 4．__________(n.)評論 5．__________(vt.)創(chuàng)立；建立 6．____________(n.)祝賀 →___________(vt.)祝賀

　　welcome replace delighted review found congratulation congratulate

　　7．__________(adv.)在船(飛機、火車、公共汽車)上 →___________(vt.)上船(飛機、火車、公共汽車) 8．___________(n.)成就；功業(yè)；偉績 →___________(vt.)取得(成就) 9．__________(vt.)創(chuàng)作 →___________(n.)創(chuàng)作，生產(chǎn) →___________ (n.)產(chǎn)品 aboard board achievement achieve produce production product 高頻必知 10．__________(n.)軌道 (vt.) 繞軌道飛行 11．__________(adj.) 業(yè)余的 12．__________(adj.) 金融的 13．__________(n.)經(jīng)濟 →____________(adj.)經(jīng)濟的，節(jié)約的 →____________(n.)經(jīng)濟學(xué)家 →____________(adj.)經(jīng)濟的 orbit

　　amateur financial economy economical economist economic

　　14．__________(adj.)政治 →____________(adj.)政治的 →____________(n.)政治家 15．__________(adj.)歷史性的 →____________(adj.)有歷史意義的 →____________(n.)歷史

　　politics political politician historical historic history

　　16．__________(n.)不信；懷疑；疑惑 →____________(n.)信念；信條 →____________(vt.)相信 →____________(adj.)可以相信的 17．__________(n.)證據(jù) →____________(adj.)顯然的 18．__________(adj.)文化的 →____________(n.)文化 →____________(adj.)多元文化的 disbelief belief believe believable evidence evident cultural culture multicultural

　　[情景活用] 用所給詞的正確形式填空 ①Don't admire his __________. You will __________your ambition if you work hard.(achieve) ②A __________ is one who is __________ and interested or involved in __________ and holds strong beliefs in it.(politics) ③It is __________ that it was his __________ in God that gave him hope during difficult times and it sounds __________. (belief)

　　④Australia has its own __________ identity. That's to say, its __________ is different from that of other countries.(culture) 答案：①achievement；achieve　②politician；political；politics　③believed；belief；believable　④cultural；culture Ⅱ.短語互譯 1．起飛______________________ 2．總共；合計

　　______________________ 3．既然

　　______________________ 4．相信

　　______________________ 5．集中注意力

　　______________________ 6．in space

　　______________________ 7．in the history of

　　______________________ 8．take photographs of

　　______________________ 9．come on

　　______________________ 10．be similar to

　　______________________ take off in total now that believe in concentrate on 在太空 在……的歷史上 拍攝……的照片 加油；得了吧；趕快 和……相似 [情景活用] 選用以上短語填空 ①_________ there is a new tunnel, the road is less dangerous. ②If you __________________ him, I certainly will also. ③There was a delay of two hours before the plane _______. ④We should __________________ our study now, because lost time never returns. ⑤Your opinion about this matter _______ ours in many ways. 答案：①Now that　②believe in　③took off　④concentrate on　⑤is similar to

　　Ⅲ.典句析練 1．When Yang took off from Jiuquan in northwest China at 9 am yesterday, China became _____________________into space. 昨天上午9點，楊利偉在中國西北部的酒泉起飛，中國成為世界上第三個把人送入太空的國家。 [解析]　當(dāng)表示“做某事的第一/二/三……/最后一個人/物”時，要用the first/second/third...last person/sth. to do sth.。 [仿寫]約翰是第一個想出這種辦法的人。 John was ________________________________the way.

　　2．Amateur astronomer David Bates looking at the moon through his telescope last night __________ he got a big surprise. 昨天晚上，業(yè)余天文學(xué)家大衛(wèi)·貝茨正在用天文望遠鏡觀看月球，就在那時他有了一個驚人的發(fā)現(xiàn)。 [解析]　句中的when是并列連詞，意為“就在那時”。 [仿寫]　他們眼看就要放棄了，這時救援趕到了。 They ____________________________________ help came.

　　3．__________________ I have made this first visit, I hope I can come many more times. 既然我已經(jīng)有了這第一次參觀，我希望我能多來幾次。 [解析]　now that引導(dǎo)原因狀語從句。 [仿寫]　既然你已長大，就必須停止這種幼稚的行為。 ______________________________， you must stop this childish behaviour.

　　4．__________________ he's seen aliens landing on the moon? 這是他第一次看見外星人登陸月球嗎？ [解析]　This is the first time...“這是第一次……”，從句中用現(xiàn)在完成時。 [仿寫]　這是他第三次贏得金牌。 It is the third time that he __________________.

　　答案：1.the third nation to send a man the first person to think of 2．when；were about to give up when　3.Now that；Now that you have grown up　4.Is this the first time；has won the gold medal

　　Ⅳ.單元語法 時間狀語從句和原因狀語從句 語法填空 1．Air pollution is getting more and more serious, so we must take action __________ it is too late. 答案：before　句意：空氣污染越來越嚴重，所以我們必須趁還來得及的時候采取行動。根據(jù)句意可知，應(yīng)用before，表示“在……以前”。

　　2．By 6∶00 pm，______ it was almost closing time, all the cars had been sold out. 答案：when　句意：截至下午六點，當(dāng)幾乎要停止?fàn)I業(yè)的時候，所有的汽車都賣出去了。分析句子結(jié)構(gòu)可知，第二個逗號前后是兩個完整的簡單句，不缺少任何句子成分，故用when。when在此引導(dǎo)時間狀語從句，起連詞的作用。

　　3．Now__________we have lost all the money, it's no use turning on me and saying it's all my fault. 答案：that　考查連詞。句意：既然我們已經(jīng)丟失了所有的錢，抨擊我說都是我的錯沒用。now that“既然”，引導(dǎo)原因狀語從句。

　　4．—May I go and play with Dick this afternoon, Mum? —No, you can't go out __________ your work is being done. 答案：as　此題容易誤認為是考查not...until...結(jié)構(gòu)。句中的your work is being done表明“你正在做作業(yè)”，故用as表示原因。

　　5．__________ I saw the beautifully decorated house, I really wondered how she could manage that all by herself. 答案：When　句意：當(dāng)看到這座裝飾漂亮的房子時，我真的想知道她是怎樣獨自做到的。when引導(dǎo)時間狀語從句，符合句意。 考點探究演練 答案：congratulations on；congratulated him on [歸納拓展] (1)Congratulations! 祝賀！恭喜！ offer/send one's congratulations to sb. on sth. 為某事向某人祝賀 (2)congratulate v．祝賀 congratulate sb. on(doing) sth. 向某人祝賀某事 congratulate oneself on sth. 為……慶幸/感到自豪 ①You've passed your driving test! Congratulations! 你駕駛測驗合格了！恭喜！ ②I congratulated myself on my good fortune. 我為自己的好運氣感到高興。 [辨析→明晰異同]

　　congratulate congratulate sb.on sth.“慶祝或祝賀某人某事”，指向某人祝賀、希望他人幸福或走運。congratulate的名詞形式是congratulation。 celebrate celebrate sth.“慶祝(儀式、勝利、典禮等)”，通常指舉行盛大、隆重的儀式慶祝或紀念有意義的日子或某件事情，多暗示節(jié)日般的歡樂場面。celebrate的名詞形式是celebration。

　　[一言辨異] They celebrated their 25th wedding anniversary in Florence and all their old friends went to congratulate them on their silver wedding, which moved them deeply.

　　他們在佛羅倫薩慶祝他們25周年結(jié)婚紀念日，所有的老朋友都前去祝賀他們的銀婚，這使得他們極為感動。 答案：①aboard　②go/get aboard