1、 How life began on the earth? a cloud of dust 1.“Bigbang” 2.a violent solid globe produce gases 3.atmospere 4.water appeared 5.plants appeared 6.animals appeared produce oxygen 1. They were in time to produce carbon, nitrogen, water vapour and other gases, which were to make the earths atmosphere. 最

2、終產生了碳、氮氣、水蒸氣和其他多種氣體， 從而 形成了地球的大氣層。 (1) in time 最終，遲早= finally/eventually 例: If you keep on, youll succeed in time. 及時 We were just in time for the bus. Word and Phrase on time 準時 例： Can we arrive in Beijing on time or not? in no time 立刻 例：Well do up your car in no time at all. at no time 決不=never 例：

3、(遼寧卷) At no time did they actually break the rules of the game. It was unfair to punish them. ahead of time 提前 all the time 一直 at any time 在任何時候 at a time 一次，每次 It one time 曾經，同時 at the same time 同時 from time to time 時不時地，偶爾 take one s time從容不迫，不著急 to do as time goes on 隨著時間的推移 2. What many scientis

4、ts believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. This produced a chain reaction, which made it possible for life to develop. 很多科學家相信，由于地球上長期有水存在，它使得地球把有害很多科學家相信，由于地球上長期有水存在，它使得地球把有害 氣體和酸性物質溶解在海洋里。氣體和酸性物質溶解在海洋里。 這就產生了連鎖

5、反應這就產生了連鎖反應,使得生命有可能開始發(fā)展了使得生命有可能開始發(fā)展了。 (1)主語從句，表語從句主語從句，表語從句 例例1(陜西省陜西省) The manager wants to see changes in the company,and I am sure he will . A. in particular B. in turn C. in charge D. in time (2)atmosphere n. 大氣層，大氣 the atmosphere 氣氛，氛圍 a comfortable/pleasant atmosphere The teacher tries to crea

6、te an atmosphere in class his students can practice their speaking skills. (福建福建) She has a gift for creating an atmosphere for her students allows them to communicate freely with each othel. A. which B. where C. what D who (2)presence n. 存在；出席，在場 in the presence of sb.= in sb.s presence 當著 某人的面 例“R

7、aj feels rather awkward in the presence of ladies. present adj. 出席的，在場的；現在的，當前的 （3）allow v.允許， 許可 allow doing sth. 允許做某事 例：We donts allow smoking here. allow sb. to do sth. 允許某人做某事 例： He wonts allow himself to fail. (4) dissolve into (使)溶入，(使)溶解；(使)融化成 例: Snow and ice dissolve into water (5)make it

8、possible for sb. to do sth. 句型句型：vt+(形式賓語)+adj./n+( for sb.) to do sth(可變) vt: make, think, consider;, find, feel, judge 例: I dont think it necessary to argue with him. They make it a rule to read English words everyday. I dont think it worthwhile going to such a place. 例1: The difference in thickne

9、ss and weight from the earlier version makes the iPad4 more comfortable . A held B holding C be held D.to hold 例2： Nowadays people sometimes separate their waste to make it easier for it . A. reusing B reused C. reuse D.to be reused 做題小技巧：去掉形式賓語it，變換成正常語序 3. They multiplied and filled the oceans and

10、 seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish.它們繁殖起來就使得海洋充滿了氧氣，這為早期的 貝類及其他各種魚類的發(fā)育進一步創(chuàng)造了條件。 (1) multiply v.乘，迅速增加；(使)繁殖 例： multiply 2 and 4 together you get 8 multi- 多 multicultural adj. 多元文化的 multimedia adj. 多媒體的 multinational adj. 跨國的，多民族的 (2)enc

11、ourage vt. 鼓勵，鼓舞 encourage sb. to do sth.鼓勵某人做某事 激勵，促進 High prices encouraged farming.高價格刺激 了農業(yè) encouraging adj.令人鼓舞的 encouragement n.鼓舞，鼓勵 courage n.勇氣 discourage vt.使泄氣 4. They laid eggs too and existed on the earth for more than 140 million years. However, 65 million years ago the age of the dino

12、saurs ended. Why they suddenly disappeared still remains a mystery. 它們也生蛋，在地球上生存了1.4億多年。然而,6500萬年 前，恐龍時代結束了。它們?yōu)槭裁磿蝗粶缃^至今仍是個謎。 詞形詞形含義含義過去時過去時 過去分詞過去分詞現在分詞現在分詞 lie 說謊說謊 liedliedlying lie 躺，位于躺，位于 laylainlying lie 放置；下蛋放置；下蛋 laidlaidlaying (2)exist vi. 存在；生存 exist on 靠生存 existence n.存在 existent adj. 存在

13、的，實際的 n. 例：remain a beginner （3） adj. 例：remain silent doing 例：remain standing remain+ done 例：remain untouched to be done 例：remain to be seen 介詞短語介詞短語 例：remain in London 5.Thus they have, in their turn, become the most important animals on the planet. 于是，他們接著成為這個行行上最重要的 動物。 （1） thus adv. 因此，這樣 （2）in

14、ones turn 輪到某人 例： When it was in my turn, I was too excited to speak. in turn 依次；反之，反過來 by turns 輪流；交替地 take turns to do sth./in doing sth.輪到某人做某事 (廣東汕頭) A heavy learning burden leads to unhealthy behaviors such as poor eating habits, which damage the health of students. A.in its turn B.in return C.

15、in turn D.by turns 輪到它的順序；作為回報；反之；輪流 6.They are putting too much carbon dioxide into the atmosphere,which prevents heat from escaping from the earth into space. 他們把過多的二氧化碳釋放到大氣層中，這使得地球 上的熱不能釋放到太空中去。 （1）prevent v. 阻止，預防prevent sb./sth.(from)doing sth. 主動句中主動句中from可以省略，可以省略， stop sb./sth.(from)doing s

16、th. 被動句中不能省略被動句中不能省略 keep sb./sth.from doing sth. protect sb./sth.fromdoing sth.保護免受 例5： China recently tightened its waters control near the Huangyan Island to prevent Chinese fishing boats from in the South China Sea. A.attacking B. having attacked C.being attacked D.having been atacked 譯文：最近，中國加強

17、對黃巖島附近水域的管控；以防止 中國漁船在南海受到攻擊。 7.When life will continue on the earth for million of years to come will depend on whether this problem can be solved. 在未來的數百萬年終，生命能否在地球上延 續(xù)取決于這個問題能否得到解決。 （1）depend v. 依靠，依賴 depend on =count on= rely on sb.信任，依 靠某人 It all depends.看情況 例：-How often do you eat out? -_,but u

18、sually once a week. 例例1(陜西省陜西省) The manager wants to see changes in the company,and I am sure he will . A. in particular B. in turn C. in charge D. in time 例1: The difference in thickness and weight from the earlier version makes the iPad4 more comfortable . A held B holding C be held D.to hold 例2： Nowadays people sometimes separate their waste to make it easier for it . A. reusing B reused C. reuse D.to be reused 做題小技巧：去掉形式賓語it，變換成正常語序 3. They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all