If you can do what you're in, you can deal with any challenge.

A. best B. weakest C. good D. weak

B 【解析】句意：如果你能做好你最差的事，你可以处理好任何挑战。best最好的；weakest最差的；good好的；weak差的。根据you can deal with any challenge.可知如果你可以处理任何挑战，应是把你最差的事做好，故选B。

My room is a mess, but I clean it before I go out tonight. I can do it in the morning.

A. can't B. shouldn't C. needn't D. mustn't

C 【解析】句意：我的房间里乱七八糟，但是我今晚上出去之前，我不需要打扫它。我在早上再打扫。can't不可能，表示没有把握的推测；shouldn’t不应该，表示建议；needn’t不必，表示必要性；mustn’t禁止。根据I can do it in the morning.可知我早上再打扫房间，因此我今晚出去前，不必打扫它，故选C。

―WeChat has made a great difference to people's life.

― . We can use it to communicate with others easily.

A. Completely B. Possibly C. Probably D. Exactly

D 【解析】句意：——微信已经对人们的生活产生了巨大影响。——正是这样。我们可以使用它，轻松地和其他人交流。Completely完全地；Possibly可能地；Probably可能地；Exactly正是这样。根据We can use it to communicate with others easily.可知此处表示同意对方说的微笑对人们生活有很多影响，故选D。

― is it from the park to the old city center

―Less than 30 minutes by underground.

A. How soon B. How often C. How long D. How far

D 【解析】句意：——从这个公园到那个旧城中心有多远？——坐地铁不到30分钟。How soon多久，对将要用的时间提问；how often多久一次，对频率提问；how long多长时间，对时间段提问；how far多远，对距离提问。根据Less than 30 minutes by underground.可知此处对距离提问，故用how far，故选D。

People more chances to receive good health care than they used to, and they're living longer as a result.

A. will have B. have C. had D. were having

B 【解析】句意：人们比过去有更多的机会收到好的医疗保健，因此他们活得更长。根据than they used to可知此处与过去比，应是现在的情况，故用一般现在时，故选B。

―Why not use the computers, Jack?

―Our computers by a virus, so the engineer disabled(禁用)all of them.

A. attack B. had attacked C. are attacked D. were attacked

D 【解析】句意：——杰克，为什么不使用电脑呢？——我们的电脑被病毒攻击了，所以那个工程师禁用所有的电脑。根据谓语disabled可知此处用一般过去时，结合句意，主语our computers与谓语attack之间是被动关系，故此处用一般过去时的被动语态，故选D。

The two close friends are of the same in clothes, though they are quite different in character.

A. hobby B. choice C. taste D. love

C 【解析】句意：那两个亲密的朋友在衣服上具有同样的品味，尽管他们在性格上不同。hobby爱好；choice选择；taste品味；love爱。结合句意，应是表示在衣服上的品味，故用taste，故选C。

―I'm sorry, Mr Chen. But my bike was broken on the way.

―That's all right. But I don't like persons who always_stories.

A. give up B. look up C. pick up D. make up

D 【解析】句意：——对不起，陈先生。但是我的自行车在路上坏了。——没关系。我不喜欢总是编故事的人。give up放弃；look up抬头看；pick up捡起来；make up编造。根据宾语stories可知此处表示编故事，故选D。

―My sister is going to the USA for further study.

―How lucky! It's a good chance to improve .

A. myself B. yourself C. herself D. himself

C 【解析】句意：——我的姐姐将要去美国深造。——多么幸运啊！这是一个提高她自己的好机会。myself我自己；yourself你自己；herself她自己；himself他自己。根据My sister is going to the USA for further study.可知此处指的是提高我姐姐的能力，故用反身代词herself，故选C。

What? You stayed up all night and ran ten kilometers. You know you can't , don't you?

A. be too old to learn

B. put all your eggs in one basket

C. burn the candle at both ends

D. say the grass is always greener on the other side

C 【解析】句意：——什么？你熬夜跑了十公里。你知道你不能精力过分的消耗，不是吗？be too old to learn太老了而无法学习；put all your eggs in one basket孤注一掷；burn the candle at both ends精力过分地消耗；say the grass is always greener on the other side邻家芳草绿。根...