题目内容
16．They tried several times to the problem，and in the end they succeeded．（ ）| A． | give up | B． | work out | C． | look through | D． | think of |
分析 他们几次尝试解决这个问题，最后成功了．
解答 答案：B．give up放弃，work out解决；look through仔细检查，think of想起；，考虑．根据in the end they succeeded，可知最后他们成功了，解决了那个难题．work out解决，故选B．
点评 本题考查了动词短语的用法．解答本题时注意理解句意以及所给选项的意思并作出正确选择．
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要求：1．词数不少于90，文章的开头已为你写好，不计人总词数；
2．要点完整、层次清晰、语法正确、上下文连贯；
3．文中不得使用真实的人名、校名．
Last Monday we held an activityabout saving and protecting water．
Mr Wang was invited to give us a talk．After his speech，we had a discussion about how to save and protect water．
Now we know that some of the rivers are polluted in our country and that we are short of water although there are some rivers and lakes in our city．As a result，we need to protect and save water．For example，we shouldn't leave water running after using it．Besides，we mustn't throw rubbish into the rivers．
After taking part in the activity，we had a better understanding of the importance of protecting the environment and saving water．．
| 活动内容 | 邀请王老师作报告；全班讨论如何节水和爱护水． |
| 活动收获 | 我们知道我国一些地方水源受到污染；我市虽有一些河流和湖泊，但也缺水．所以…（节水和爱护水的方法至少各发挥一点）． |
| 活动感受 | … |
2．要点完整、层次清晰、语法正确、上下文连贯；
3．文中不得使用真实的人名、校名．
Last Monday we held an activityabout saving and protecting water．
Mr Wang was invited to give us a talk．After his speech，we had a discussion about how to save and protect water．
Now we know that some of the rivers are polluted in our country and that we are short of water although there are some rivers and lakes in our city．As a result，we need to protect and save water．For example，we shouldn't leave water running after using it．Besides，we mustn't throw rubbish into the rivers．
After taking part in the activity，we had a better understanding of the importance of protecting the environment and saving water．．
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