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，你可以處理好任何挑戰(zhàn)。best最好的；weakest最差的；good好的；weak差的。根據(jù)you can deal with any challenge.可知如果你可以處理任何挑戰(zhàn)，應(yīng)是把你最差的事做好，故選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：我的房間里亂七八糟，但是我今晚上出去之前，我不需要打掃它。我在早上再打掃。can't不可能，表示沒有把握的推測；shouldn’t不應(yīng)該，表示建議；needn’t不必，表示必要性；mustn’t禁止。根據(jù)I can do it in the morning.可知我早上再打掃房間，因此我今晚出去前，不必打掃它，故選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：——微信已經(jīng)對人們的生活產(chǎn)生了巨大影響�！�—正是這樣。我們可以使用它，輕松地和其他人交流。Completely完全地；Possibly可能地；Probably可能地；Exactly正是這樣。根據(jù)We can use it to communicate with others easily.可知此處表示同意對方說的微笑對人們生活有很多影響，故選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：——從這個公園到那個舊城中心有多遠？——坐地鐵不到30分鐘。How soon多久，對將要用的時間提問；how often多久一次，對頻率提問；how long多長時間，對時間段提問；how far多遠，對距離提問。根據(jù)Less than 30 minutes by underground.可知此處對距離提問，故用how far，故選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：人們比過去有更多的機會收到好的醫(yī)療保健，因此他們活得更長。根據(jù)than they used to可知此處與過去比，應(yīng)是現(xiàn)在的情況，故用一般現(xiàn)在時，故選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，為什么不使用電腦呢？——我們的電腦被病毒攻擊了，所以那個工程師禁用所有的電腦。根據(jù)謂語disabled可知此處用一般過去時，結(jié)合句意，主語our computers與謂語attack之間是被動關(guān)系，故此處用一般過去時的被動語態(tài)，故選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：那兩個親密的朋友在衣服上具有同樣的品味，盡管他們在性格上不同。hobby愛好；choice選擇；taste品味；love愛。結(jié)合句意，應(yīng)是表示在衣服上的品味，故用taste，故選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：——對不起，陳先生。但是我的自行車在路上壞了。——沒關(guān)系。我不喜歡總是編故事的人。give up放棄；look up抬頭看；pick up撿起來；make up編造。根據(jù)賓語stories可知此處表示編故事，故選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：——我的姐姐將要去美國深造�！�—多么幸運��！這是一個提高她自己的好機會。myself我自己；yourself你自己；herself她自己；himself他自己。根據(jù)My sister is going to the USA for further study.可知此處指的是提高我姐姐的能力，故用反身代詞herself，故選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。你知道你不能精力過分的消耗，不是嗎？be too old to learn太老了而無法學(xué)習(xí)；put all your eggs in one basket孤注一擲；burn the candle at both ends精力過分地消耗；say the grass is always greener on the other side鄰家芳草綠。根...