(3)Only if people of all the countries are united the existing problems. A.can we solve C.did we solve 答案 A

解析 考查倒装。句意为：只有当所有国家的人民都联合起来的时候我们才能解决现有的问题。“only＋状语从句”放在句首，主句要用倒装语序，且根据题干中的are可知，应用一般现在时，因此选A。

B.we can solve D.we solved

微写作

写作素材(关于贫困问题)

1.现在仍然有很多人生活在贫困线以下。 2.他们缺衣少食。

3.幸运地是，政府正在想尽一切办法帮助他们，公众也向他们捐款。

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4.另外，许多年轻人做志愿工作，到偏远地区教孩子们读书。

提示：黑体部分用本单元词汇表达。

连句成篇(将以上句子连成一篇50词左右的英语短文)

Nowadays many people still live in poverty

and

they

lack

food

and

clothes.Luckily，the government is trying every means to help them and the public also contribute money to them.In addition，many young people do some voluntary work to teach children in the remote areas.

Ⅰ.单项填空

1.In order to make contributions to the protection of the environment，the company encourages its workforce to make the switch

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to means of transportation such as carpooling or biking to reduce air pollution. A.primitive C.potential 答案 D

解析 考查形容词词义辨析。句意为：为了给环保作贡献，公司鼓励全体员工改变交通方式以减少空气污染，如拼车或骑自行车。alternative两者择一的，可替代的，符合句意。primitive原始的；systematic有系统的，有条理的；potential潜在的，可能的。

2.The survivors of the crashed plane had no food or water and were the extreme cold weather. A.at the risk of

B.in the charge of B.systematic D.alternative

C.at the mercy of D.in the possession of 答案 C

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解析 根据句意可知，这些空难的幸存者没有水和食物，在极度寒冷的天气里很无助。at the risk of冒着……的危险；in the charge of在……的管理之下；at the mercy of任……摆布，在……前毫无办法；in the possession of拥有，持有。C项符合题意。 3.—May I try the jacket on?

— ，but I think it will be too large for you.

A.That all depends B.By all means C.With pleasure D.You’re welcome 答案 B

解析 考查情景交际。句意为：——我能试一下这个夹克吗？——当然可以，但是我觉得你穿着太大了。That all depends视情况而定；By all means一定，当然可以；With pleasure乐意效

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