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短语 get close to 接近；靠近 close up 向前靠近 stick out 突出；伸出 be sceptical about 对……表示怀疑 be related to 与……有关联 die out 灭绝 die away (声音或感情等)慢慢变弱，渐渐消失 die down (风或噪声等)减弱；平息 die off 先后死去，一一灭亡 die of/from 死于 die for 为……而死 cut off 阻挡，切断 throw light on 帮助弄清楚；阐明某事 come straight to the point 谈正题；开门见山 there's no point in doing sth 做某事没有意义 due to由于；因……造成 exist in存在于……之中 exist on 靠……为生 claim to do sth/that... 主张做……/声称…… It is claimed that... 有人主张…… calm (sb) down (使某人) 平静下来，镇静下来 stay/ keep calm保持镇静 adapt (oneself) to使(自己)适应或习惯于 adapt sth for sth 改变某事物使适应……；把……改编成…… adapt ...from ...根据……改编…… make a/one's fortune 发财 be fortunate to do sth 幸运的去做某事 attack sb.with sth.用某物攻击某人 under attack 受到攻击 背单词的好方法 随时随地背单词 不知不觉背单词 might have done 除了含有上述的意思外，还表示批评或责备 即表示过去本来有责任或义务应该做某事的，但实际上却没有做成，含有批评和责备的意味，通常译为“本来应该”，“本来可以”等，用法同上。例如： You might have let me know before! 你要是早点让我知道就好了! She might have told me she was going to stay out all night. 她要是一夜不回来，应事先告诉我一声呀。 You might have taken the trouble to tell me the meeting was put off. 你本来可以费心告诉我一声会议推迟了的。 You might have told us half an hour ago. 你半个钟头前告诉我们就好了。 might have done用于虚拟语气 在虚拟条件句中，当谈论过去的情况时，其句型通常是：主句用“could/would/might +have+过去分词”，if从句用过去完成时。例如： We might have arrived earlier if we had taken the other road.如果我们当时走了另一条路，就可能到得早一些。 If you had left it there, someone might have stolen it. 要是你当时把那东西落在那里，就可能有人把它偷走。 If the weather hadn’t been so bad, we might have gone out. 如果天气不是那么坏，我们可能都出去了。 I might have saved his life if I had found him earlier. 要是我那时早点找到他的话，我可能会把他救活的。 be connected to 与...连接 be connected with 与...有关 have a symbol of 有...标志 be allowed to do sth 被允许做某事 allow doing sth 允许做某事 allow sb to do sth 允许某人做某事 according to 根据；按照 be popular with 受...欢迎 a sense of ...感；一种...意识 come from 来自 be afraid of 害怕... plenty of 许多；大量 get a clear look at/get a good view of 清楚地看到 be unlikely to do sth 不可能做某事 it is +数字+n+adj(high; deep; long) 有...高/深/长 cover an area of 占...面积 be covered with/by 被...覆盖 cover...with... 用...盖... more than 超过 no more than 仅仅 not more than 不超过 can/could have done的用法 can/could have done表示“对过去的可能性推测”，could的语气较can弱。 该结构表推测时无肯定式，一般用于否定句和疑问句。否定句表示“过去不可能发生过某事”，它是must have done的否定式；疑问句表示“过去可能发生过某事吗”。例如： He can’t have forgotten it.他不可能已忘记此事。 Can he have gone to his aunt's?他有可能到他姑姑家去了吗？ I saw Mr. Zhang just now and he couldn't have gone to Beijing.我刚才看见张先生了，他不可能去了北京。 Why does he know this? Could someone have told him about it? 他怎么知道? 会是哪个人告诉他了吗? 熟记情态动词表示推测时，可能性的大小 肯定句：must＞should＞may＞could/might 否定句：can’t/couldn’t＞shouldn’t ＞may not＞might not 特殊用法 mustn’t不表示推测，意为“禁止” 巩固练习 It was really annoying; I ________ get access to the data bank you had recommended. A. wouldn't B. couldn't C. shouldn't D. needn't George ________ too far. His coffee is still warm. A. must have gone B. might have gone C. can't have gone D. needn't have gone 
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