1．Keep __________reading English regularly，your reading skills will be improved quickly．
A．practice B．practicing
C．to practice D．practiced
【解析】答案：B．根據Keep __________reading English regularly，可知這裡考查了keep的用法，keep，動詞，保持，通常用於keep doing sth，堅持做某事，後面跟動名詞形式．故選B．
2．﹣Have you heard of the big fire that broke out on Huguo Mountain at Qingming Festival？
﹣Yes．Luckily，hundreds of firemen went there and _____the fire immediately．
A．put off B．put away
C．put down D．put out
【解析】答案：D 考查動詞短語．句意：﹣﹣你聽說清明節在胡國山爆發的大火嗎？﹣﹣是的．幸運的是，數百名消防員去了那裡立即撲沒了大火．put off推遲．put away收起、放好．put down放下、貶低．put out熄滅、撲滅．根據回答Yes．Luckily，hundreds of firemen went there 的．幸運的是，數百名消防員去了那裡．結合選項可知應該是幸運的是，數百名消防員去了那裡立即撲沒了大火．只有D符合題意．故選D．
3．﹣I'm thirsty．I'd like a glass of orange juice．What about you，Dad？
﹣I prefer a cup of coffee ____nothing in it．
A．with B．without C．for D．to
【解析】答案：A 根據I prefer a cup of coffee ____nothing in it，後面是否定意義的詞nothing，推測意思是不需要加任何東西的咖啡，用介詞with表伴隨狀態，故選A．
4．Old Mr． Black lives happily with his three dogs． _________ of them are part of his family．
A．Both B．All C．None D．Neither
【解析】both兩個都；all三個或三個以上都；none沒有，表示量；neither兩個都不；此題根據句意老布萊克和他的三條狗幸福地生活在一起，它們都是他家的一部分．應該用all代指三條狗．故選：B．
5．____most of the earth's surface is covered with water， fresh water is very rare and precious．
A．Since B．While
C．Because D．Although
【解析】since自從，引導時間狀語從句；while當..時，引導時間狀語從句；because，因為，引導原因狀語從句；although儘管；引導讓步狀語從句；此題根據語境"雖然地球表面大部分都被水覆蓋著，但淡水卻非常珍貴．"應該用儘管although．
故選：D．
6．Mum told me that I _________be afraid of the difficulties and should learn to be brave．
A．did not need B．need not to
C．need not D．not need
【解析】根據Mum told me that I _________be afraid of the difficulties and should learn to be brave可知這裡need是一個情態動詞，它的否定形式是在need後面加not． 故選：C．
7．The manager's voice sounded ____on the phone． He offered to show us around the company．
A．softly B．friendly
C．gently D．seriously
【解析】softly的意思是"柔軟地"，friendly的意思是"友好地"，gently的意思是"溫柔地，文雅地"，seriously的意思是"嚴肅地，嚴重地"；結合句意"經理的聲音在電話裡聽起來很友好"可知，要填friendly． 故選：B．
8．Air pollution is becoming____than ever before， so many families prefer to buy electric cars．
A．serious B．more serious
C．more seriously D．the most seriously
【解析】根據Air pollution is becoming____than ever before， so many families prefer to buy electric cars，可知這裡than用於比較級，而become後面跟形容詞作表語． 故選：B．
9．A：_________have you talked with your friends on Wechat？
B：Since I came back from the post office．
A．How far B．How often
C．How soon D．How long
【解析】根據Since I came back from the post office可知這裡是since引導的一個時間短語，詢問一段時間用how long來詢問． 故選：D．
10．People throughout the world _______ together now to protect the natural environment．
A．are working B．worked
C．will work D．have worked
【解析】答案為A．短語work together是固定搭配，意思是合作，共同工作，句子中now表示現在的意思，故從now得知句子要用現在時進行時，to protect the natural environment的意思是保護自然環境，保護環境這一行動是一直在進行中，故可以得知句子要用現在進行時態，現在進行時態是am/is/are+動詞的ing形式，work的動詞ing形式為working，故答案為A．
11．We all believe you will succeed in working out the problem_________you give up．
A．if B．because C．since D．unless
【解析】if如果；引導條件狀語從句；because因為，引導原因狀語從句；since自從，引導時間狀語從句；unless除非，引導條件狀語從句；此題根據語境『'我們都相信你會成功地解決這個問題，除非你放棄了．''故應該用unless．
故選：D．
12．_________helpful advice you you gave us on protecting personal information the other day！
A．What B．What a C．What an D．How
【解析】根據helpful advice you you gave us on protecting personal information the other day!可知這裡考查了感嘆句，本句的中心詞是advice，它是一個不可數名詞，helpful是一個形容詞，在這裡修飾advice，根據What+形容詞+可數名詞複數/不可數名詞+主語+謂語! 故選：A．
13．In my eyes， one of the best ways to lose weight is_________regularly in your daily life．
A．exercise B．to exercise
C．exercises D．exercised
【解析】根據In my eyes， one of the best ways to lose weight is_________regularly in your daily life．可知這裡用to引導的不定式短語作表語．
故選：B．
14．More than twenty students in that university _________abroad to study medicine last year．
A．sent B．were sent
C．had sent D．had been sent
【解析】根據語境推測句意是"去年那所大學有二十多個學生被送到國外學習醫學．"句子表述的是過去的事情，判斷句子中的謂語動詞用一般過去時，主語是動作的承受者， 所以用被動語態，一般過去時被動語態的構成是：主語+was/were+動詞的過去分詞． 故選：B．
15．A：Have you seen Mrs． Smith lately？
B：No， She _________Australia for business． She will come back in two days．
A．has come to B．has gone in
C．has gone to D．has been to
【解析】has come to已經來了；has gone in 已經進入了；has gone to已經去了；has been to 去過；根據句意"她去澳大利亞出差了，兩天後回來．"可知是去了還沒回來，故選has gone to． 故選：C．
16．Keep __________reading English regularly，your reading skills will be improved quickly．
A．practice B．practicing
C．to practice D．practiced
【解析】答案：B．根據Keep __________reading English regularly，可知這裡考查了keep的用法，keep，動詞，保持，通常用於keep doing sth，堅持做某事，後面跟動名詞形式．故選B．
17．﹣Have you heard of the big fire that broke out on Huguo Mountain at Qingming Festival？
﹣Yes．Luckily，hundreds of firemen went there and _____the fire immediately．
A．put off B．put away
C．put down D．put out
【解析】答案：D 考查動詞短語．句意：﹣﹣你聽說清明節在胡國山爆發的大火嗎？﹣﹣是的．幸運的是，數百名消防員去了那裡立即撲沒了大火．put off推遲．put away收起、放好．put down放下、貶低．put out熄滅、撲滅．根據回答Yes．Luckily，hundreds of firemen went there 的．幸運的是，數百名消防員去了那裡．結合選項可知應該是幸運的是，數百名消防員去了那裡立即撲沒了大火．只有D符合題意．故選D．
18．could you tell me _________？
A．how long she has gone to Hongkong．
B．how long she has been in Hongkong．
C．how long has she been in Hongkong．
D．how long she has been to Hongkong．
【解析】根據could you tell me 可知，本題考查賓語從句，賓語從句中一般為陳述語序，選項C是疑問語序，所以排除掉；how long表示一段時間，不能和have gone to連用，也不能用have been to． 故選：B．
19．A：I am sorry to hear that our women badminton player lost the match last month．
B：_________．failure is the mother of success．
A．never mind B．it is hard to say
C．with pleasure D．No problem
【解析】考查情境對話．A．never mind沒有關係；B．it is hard to say 很難說； C．with pleasure很樂意；D．No problem沒問題．根據題幹failure is the mother of success．可知這裡應該是鼓勵，即沒有關係．失敗是成功之母．
故選：A．
20．A：would you mind my finishing here？
B：_________．look at the sign． It says， "No fishing here！"
A．you are welcome
B．No， you would not
C．You had better not
D．certainly not
【解析】首先明確各選項中句子的意思，A：不客氣；B：不，你不會；C：你最好不要；D：當然不；根據前面一個人表達的意思是"你介意我在這裡釣魚嗎？ "，和答語中的look at the sign． It says， "No fishing here！"確定設空處填"你最好不要 "符合語境． 故選：C．
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