高中英语必修3_Unit_4单词课件_Astronomy：the_science_of_the_stars3词汇

1、Unit 4Astronomy：the science of the stars 1. exist vi. 存在；生存存在；生存 exist in存在于之中 exist on靠为生 come into existence产生；成立；开 始存在 in existence存在 1完成句子 (1)The laidoff workers mainly _ (靠面包和茶生存) (2)Do you know when the new Marriage Law _ (开始实施)? (3)有一个解决目前地理问题的好方法。(汉译 英) _ _ exist on bread and tea came into e

2、xistence There exists a good way to solve the existing problem in geography 2. explode v爆炸，爆发爆炸，爆发 (1)explode with anger勃然大怒 explode into laughter放声大笑 the exploding world population 迅速增长的世界人口 (2)explosion n爆炸 explosive adj.易爆的 n爆炸物；炸药；迸发 (感情)；(人口等)突增 2完成句子 (1)Two bombs _ (爆炸) in front of the park ga

3、te，causing two deaths. (2)Suddenly Charles _ (勃然 大怒) (3)There will be no standing room on the earth _(由于激增 的世界人口) exploded exploded with anger because of the exploding world population 3. escape v逃跑，逃避逃跑，逃避n逃脱逃脱 作为动词，常用于下列结构或短语中： escape from.从逃走 escape sth.逃避某事 escape doing sth.(不能接to do形式)逃避做某事 sth

4、.escape sb./sb.s attention/sb.s notice 某物没引起某人的注意；某人没记住某物 3翻译句子 (1)这个男孩逃过了处罚，真幸运。 _ _ (2)我想不起这个单词。 _ _ The boy was lucky enough to escape being punished. The word escapes me. (3)四个罪犯从监狱中逃出来了。 _ _ _ Four criminals escaped from prison. 4. depend v 依靠，依赖依靠，依赖 (1)depend on/upon sb./sth./v.ing 依赖，依靠， 信赖

5、depend on sb.to do sth.依靠/相信某人做某事 depend on sb./sth.for sth.靠某人供给某物 depend on sth./wh视而定，取决于 depend on it常用于句首或句末，意为“请放 心，没问题”。 It/That (all) depends.意为“那得看情况而定。” (2)believe sb.相信某人(所说的话) believe in sb.相信/信任/信赖某人 trust (in) sb.相信/信任/信赖某人 4完成句子 (1)He is a man to be _ (依 靠) (2)I _(可以相信) his arriving h

6、ere on time. (3)Our success _ (取决于) whether everyone works hard. depended on can depend on depends on (4)Is he coming? _ (那得看情 况)He may not have time. That depends puzzling puzzled puzzlement in puzzling about/over massive of masses mass in the mass The mass of down ones life out laid off laid some

7、money aside lying lied laid laid lie massive puzzling masses laid puzzle C B D C B at times in no time prevention from doing sth. prevent from leaving energy protect his child from over on on watch out for (1)It must have rained last night，for the ground is wet. 昨天晚上一定下雨了，因为地是湿的。昨天晚上一定下雨了，因为地是湿的。 (2

8、) you have finished your work， youd better have a rest. 既然你的工作已经做完了，最好休息一下。既然你的工作已经做完了，最好休息一下。 Now that Now that Now that everyone is here，lets begin our class. Since you have come，why not just stay? B D A D A 4. in time 及时；迟早，终于，及时；迟早，终于， 总有一天总有一天 against time争分夺秒；抢时间 ahead of time提前，提早 all the tim

9、e一直；始终 as time goes by随着时间的推移 at no time绝不，在任何时候都不 at one time曾经，一度 5选用上述词语填空 (1)Will you be home _ to see the children before they go to bed? (2)Why must you keep complaining _？ (3)Dont recite all together；one _. in time all the time at a time (4)The boss ordered us to finish our task _ _ _. (5)Wel

10、l have that leak fixed _. ahead of time in no time 5. think of.as. 把把看作看作，认为，认为 是是 think over仔细考虑 think highly/much/well of对评价高，重视 think little of看轻，看不起 think nothing of认为没什么，别在意 think poorly/ill of对评价不好 think of想起，考虑 think about考虑 think twice考虑再三 6选用上述词语填空 (1)You must _ before making a decision. (2

11、)“What did he mean？”he _. (3)I have been _ you _ my best friend. (4)Mr.Zhang _ your composition， so you must write again. think twice thought aloud thinking ofas thought little of 6. cheer up 感到高兴；感到振奋感到高兴；感到振奋 Cheers！(用于祝酒)干杯！ cheer sb.on(赛跑、比赛等中)以喝彩声鼓励某人， 为某人加油 cheerful adj.快乐的，高兴的 cheering n欢呼，喝彩

12、 adj.令人振奋的，令人 高兴的 7完成句子 (1)_ (振作起来)！The news isnt too bad. Cheer up 8. in ones turn 轮到某人；接着轮到某人；接着 in turn依次；轮流；转而；反过来 by turns轮流；交替 take ones turn轮到某人 turn down关小；拒绝 turn up调大；出现 turn off关(水、煤气或电灯等) turn on开(水、煤气或电灯等) turn to转向；求助于 turn out制造出；原来(是)；证明 (是)；结果(是) turn over翻过(书页)；移交；(使)翻 滚 turn in交出；

13、上缴 8完成句子 (1)We make every effort to make more films， and _ (反过来)this creates further environmental pollution. (2)We _ _ (轮流守望) (3)He _ (求助于我)whenever he has difficulties. in turn kept watch by turns turns to me (4)Unexpectedly，the weather _ (结果是)pretty nice that day. (5)The boy tried to join the clu

14、b， _ (但被拒绝了) turned out but was turned down 9. This produced a chain reaction，which made it possible for life to develop. 这就产生了一系列的反应，使得生命就有可能 发展了。 it作形式宾语，在句中可代替动名词、不定式、 从句等。 句型：主语动词itn./adj.to do/for sb.to do sth./that. 用于此句型的动词有： make，consider，find，think，suppose 9翻译句子 (1)他的缺勤使得按时完成工作更加困难了。 _ _ (2

15、)我们认为与他争论毫无意义。 _ _ (1)His absence made it difficult to finish the work on time. (2)We consider it no use arguing with him. (3)我们认为重新讨论这个问题很 重要。 _ _ _ (3)We thought it important that we should discuss the problem again. 10. But when I tried to step forward，I found I was carried twice as far as on the

16、 earth and fell over. 而当我试着向前迈步的时候，我发 觉我被送出去很远，步子的跨度竟是 在地球上的两倍，因而我摔倒了。 倍数的表达方式： (1)“A倍数形容词或副词的比较级倍数形容词或副词的比较级 thanB”，表示，表示“A比比B大大(长、高、宽等长、高、宽等)多少多少 倍倍”。 (2)“A倍数倍数as形容词或副词的原级形容词或副词的原级 asB”，表示，表示“A是是B的多少倍的多少倍”。 (3)“A倍数倍数the size/height/length/width， etc.ofB”，表示，表示“A是是B的多少倍大的多少倍大/高高/长长/ 宽等宽等”。 (4)A倍数倍数what从句从句 10完成句子 (1)The output of cars in 2009 is _