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o stop making noise, but they still kept on. 鄰居們讓他們停止制造噪音,但他們?nèi)匀焕^續(xù)。 keep on doing sth. 繼續(xù)做某事 keep up 保持;維持;繼續(xù) keep up with 跟上 keep back 阻止;隱瞞 keep off 讓開;不接近 ③ The teacher until the students understood. 老師反復(fù)解釋直到學(xué)生聽懂為止。 ④ Keep up, and you will succeed! 堅(jiān)持,你一定會(huì)成功! kept on explaining 點(diǎn)此進(jìn)入 1. [句型展示 ] That probably does not seem much to you or me, but it is a rapid increase when_pared_to other natural changes. 這個(gè)數(shù)值對(duì)你我來說很可能無關(guān)緊要,但是跟其他自然變化相比較而言,這卻是一種快速的增長。 [典例背誦 ] We all know, if not carefully dealt with, the climate change will get worse. 眾所周知,如果不認(rèn)真對(duì)待,氣候變化將變得更加糟糕。 2. [句型展示 ] There_is_no_doubt_that the earth is being warmer (see Graph 1) and that it is human activity that has caused this global warming rather than a random but natural phenomenon. 毫無疑問,地球是在變暖 (見表一 ),而地球變暖正是人類活動(dòng)導(dǎo)致的,而不是一種無規(guī)律的自然現(xiàn)象。 [典例背誦 ] There is no doubt that the death of Jobs is a great loss to the Apple Inc. 毫無疑問喬布斯的去世對(duì)蘋果公司是一大損失。 3. [句型展示 ] Without the ’ greenhouse effect’ , the earth would_be about thirtythree degrees Celsius cooler than it is. 如果沒有’溫室效應(yīng)’,地球溫度將比現(xiàn)在低大約 33攝氏度。 [典例背誦 ] Without your help, I would have failed to pass the exam. 沒有你的幫助,我考試一定會(huì)不及格的。 1 . T h at p r ob a b ly d oe s n ot see m m u c h t o you o r m e , b u t it is a r ap id in c r e ase w h e n _ c om p ar e d _ to othe r n at u r al chan ge s. 這個(gè)數(shù)值對(duì)你我來說很可能無關(guān)緊要,但是跟其他的自然變化相比較而言,這卻是一種快速的增長。 (1) w h e n c om p ar e d t o ... 是時(shí)間狀語從句的省略,其完整形式為 : w h e n it is p ar e d t o . .. ( 2) 狀語從句省略的用法: 省略成分:從句主語+ be適用的從句:時(shí)間、條件、讓步等狀語從句省略條件:主從句主語一致或從句主語是it 且從句謂語含有 be 動(dòng)詞 ① When (she was) very young, she began to learn to play the piano. 她很小就開始學(xué)彈鋼琴。 ② Don’ t e in . 沒有叫你不要進(jìn)來。 ③ , ring me at home. 如果有必要,往我家里打電話。 unless (you are) asked to If (it is ) necessary [巧學(xué)助記 ] 巧記狀語從句的省略: 時(shí),條,讓,方,地,主語同,謂語 be,二者省去不可惜,從句主語是 it,省去 it’ s也可以。 2. There_is_no_doubt_that the earth is being warmer (see Graph 1) and that it is human activity that has caused this global warming rather than a random but natural phenomenon. 毫無疑問,地球是在變暖 (見表一 ),而地球變暖正是人類活動(dòng)導(dǎo)致的,而不是一種無規(guī)律的自然現(xiàn)象。 (1)句子結(jié)構(gòu)分析: (2)There is no doubt that ... ?? 是毫無疑問的。 ① There is no doubt that it’ s beneficial to Russia that WTO approved Russia’ s membership. 毫無疑問,世貿(mào)組織批準(zhǔn)俄羅斯的成員資格對(duì)俄羅斯來說是有益的。 ( 1) d oub t 作名詞,用于否定句、疑問句時(shí),后跟 t h at 從 句;用于肯定句時(shí),后面接 w h e t h e r 引導(dǎo)的從句。 ( 2) d oub t 也可用作動(dòng)詞,意為 “ 懷疑;不相信 ” ,用法如 下: d oub t +????? w h e t h e r /i f ... ? 用于肯定句中 ?t h at ... ? 用于否定句、疑問句 ? ② There is still some doubt whether Hollande is fit for President of France. 奧朗德是否勝任法國總統(tǒng),還有疑問。 ③ I don’ t doubt/have no doubt he will win the presidential election in 2020. 我不懷疑他將贏得 2020年總統(tǒng)選舉。 ④ I doubt the truth of the news. →I doubt the news is true. 我懷疑這個(gè)消息是否是真的。 that whether/if 點(diǎn)此進(jìn)入 點(diǎn)此進(jìn)入