【正文】 【答案】 A 課時作業(yè) 點擊進入鏈接 。 【答案】 B 27． (2020年北京卷 )I’m sorry you’ve been waiting so long ， but it’ll still be some time________Brian get back. A． before B． since C． till D． after 【解析】 句意為：對不起你已經(jīng)等得太久了，但是 Brian回來還要一段時間。本題考查的是這個句型 It will be...before...“ 得過多長時間才 ??” ，用于過去時的用法。 It was not a long time before he learned to use the puter. 沒過多久他就學(xué)會使用計算機了。 (6)I’ll do it now before I fet it. 我還是趁著現(xiàn)在沒有忘時做吧。 (4)He would die before he gave 。 (2)It was a long time before I got to sleep again. 過了好長時間我才又睡著了。 【答案】 B Cable TV began in 1948 in the USA， but it took 50 years before 66 percent of American households had 電視在美國開始在 1948年，但是花了 50年 66%的美國家庭菜擁有它。 【答案】 D 24． (2020年重慶卷 )Leonardo da Vinci (1452～ 1519)________birds kept in cages in order to have the pleasure of setting them free. A． is said to be buying B． is said to have bought C． had said to buy D． has said to have bought 【解析】 句意為：句意：據(jù)說達(dá)芬奇為了有釋放鳥的樂趣，他買鳥養(yǎng)在鳥籠里。 【答案】 B 23． ________was known to them all that Jack had broken his promise________he would give them a tall building. A． As； which B． What； that C． It； which D． It； that 【解析】 句意為：大家都知道杰克沒有遵守給他們一幢高樓的諾言。 is said________was all________he said. A． that that； which B． that that； that C． what what； what D． that which； what 【解析】 句意為：據(jù)說那就是所有他所說的話。既： It is v．＋ ed that...這種結(jié)構(gòu)中，只要把 that后的主語提出來，后面必須要用不定式。 It is reported that 6 people were killed in the accident. 據(jù)報道有 6個人死于那場事故中。 【答案】 A It was found that people who used mobile phones were two and a half times more likely to have a brain tumor... 據(jù)發(fā)現(xiàn)使用人們的人們會有兩倍半多的可能在得腦部腫瘤 ?? 這是 It is v．＋ ed that...句型。我想知道今天他為什么如此安靜。 (表明這是例外 ) He is being 。 【答案】 D Can you have faith in them and believe that they are being honest? 你能相信他們并且相信他們是誠實的嗎？ be動詞的進行時態(tài)： be的進行時態(tài) (be being)后面接行為形容詞，如 brave， careful，stupid， clever， foolish， polite， kind和 shy等時為主語所表現(xiàn)的非一貫性特點或故意的、暫時的行為。 【答案】 C 20． The new policy will________the elders a lot that people over 65 can take buses free of charge. A． discount B． support C． approve D． benefit 【解析】 句意為： 65歲以上的人能免費乘車的這個新政策會使老年人受益不少。 make a profit獲 /盈利 profit sb./ ?? 得益 profit from/by ?? 中得益 believe I can profit a lot________the activity. A． through B． for C． from D． to 【解析】 句意為：我相信我能從那次活動中獲益很多。 We have reached an agreement which not only profits management but also 協(xié)議。 【答案】 A profit n．利潤；益處 v．得益 They kill whales for 。 define ，給 ?? 下定義 definition n．定義，釋義 definitely ，清楚地；一定地 18.— Is he ing? — ________ A． Definitely! B． I don’t know. C． What’s up? D ． I hope so. 【解析】 句意為： “ 他會來嗎？ ” 回答是 “ 肯定 (來 )” ，這里的 A解釋為 “ 當(dāng)然，肯定地 ” 。 【答案】 B definite ，清楚的；一定的，肯定的 It’s definite that he will e. 很明顯他會來的。 Why do they still sunbathe when they know the danger of exposing their skin to the sun ? 他們知道皮膚暴露于太陽下有危險時，為什么還要沐日光?。? expose...to...； be exposed to...暴露于 exposure n．暴露，曝光，揭露 the sun for a long time does harm to one’s health. A． Exposing B． Being exposed C． Having exposed D． Exposed 【解析】 句意為：暴露在太陽光下很長時間會傷害一個人的身體的。 【答案】 D expose ，顯露；使暴光；使處于 ?? 作用或影響下 The melting snow exposed the spring flowers. 融化的雪使春天的花露出來了。 lose faith in對 ?? 失去信心 keep faith with遵守與 ?? 的諾言 break faith with違背與 ?? 的諾言 give one’s faith to 向 ?? 保證 /許諾 ’ve lost faith________the government’s promises. A． for B． on C． to D． inng 【解析】 句意為：我們已經(jīng)不相信政府的承諾了。 Can we have faith in them and believe that they are being honest？我們還能相信他們是誠實的嗎？ faithful ，忠實的；如實的，可靠的 He entruste