题目内容
13．政府已经意识到了这个严重的问题．The government has already realized this serious problem．分析 The government has already realized this serious problem．
解答 答案：The government has already realized this serious problem．
结合句意意识realize动作发生在过去，对现在造成一定的影响，故用现在完成时have/has+过去分词，主语the government三单，故has，already已经，放在has后面，宾语this serious problem这个严重的问题，故答案是The government has already realized this serious problem．
点评 现在完成时有两种用法1．过去发生的某一动作对现在造成的影响或结果或到现在为止已经发生或完成的动作．2．表示过去发生的、持续到现在的动作或状态．
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（36）A---to draw a picture of something for which they were thankful．
Most of the class considered turkey（火鸡） and other traditional goodies（好吃的东西） of the season．These，the teacher thought，would be the （37）Dof most of her students'art．And they were．But in her class there was a different kind of boy，Douglas．He was always unhappy．When other children played together，he was likely to stand close by the teacher's slide．The boy drew a hand in his picture．（38）Celse．Just an empty hand．
Whose hands（39）Bit be？His abstract（抽象的）picture made classmates really（40）DOne child guessed it was the hand of the（41）Bbecause they raise turkeys．Another suggested police officers，because the police （42）Aand care for people．Still others guessed it was the hand of God，for God feeds us．And so the discussion went--（43）Dthe teacher almost forgot the young artist himself．
When the childern went on to other projects，she（44）Cat Douglas's desk，bent down，and asked him （45）Chand it was．The little boy looked away and said in a low voice，"It's （46）C，teacher．"
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| 37．A．solutions | B．subjects | C．characters | D．signs |
| 38．A．Everything | B．Something | C．Nothing | D．Anyting |
| 39．A．must | B．could | C．would | D．should |
| 40．A．mad | B．bored | C．moved | D．interested |
| 41．A．nurses | B．farmers | C．gardeners | D．businessmen |
| 42．A．protect | B．check | C．catch | D．find |
| 43．A．when | B．before | C．after | D．until |
| 44．A．knocked | B．pointed | C．stopped | D．looked |
| 45．A．how | B．which | C．whose | D．where |
| 46．A．his | B．mine | C．yours | D．theirs |
| 47．A．Take | B．Give | C．Accept | D．Receive |
| 48．A．advise | B．train | C．tell | D．show |
| 49．A．less | B．more | C．fewer | D．bigger |
| 50．A．love | B．good | C．hello | D．thanks |