About of the earth covered with water,but we have less and less available fresh water.

A. three-fourth;is B. three-fourths;is

C. three-fourth;are D. three-fourths;are

B 【解析】試題分析：句意為：地球大約四分之三被水覆蓋。但是我們擁有的可用淡水越來越少。分數(shù)的表達：分子用基數(shù)詞，分母用序數(shù)詞，當分子大于一時，分母應加“s”。根據(jù)語境，這里主語為單數(shù)概念，根據(jù)主謂一致原則，謂語動詞也應用第三人稱單數(shù)。故應選B。

I like Persian cats(波斯貓) they are beautiful.

A. so B. and C. because D. but

C 【解析】句意：我喜歡波斯貓，因為它們是美麗的。A. so 所以； B. and 和； C. because 因為； D. but但是；根據(jù)I like Persian cats和they are beautiful.是表示原因，故選C

（江西省南昌市2015年中考英語試題）—Ben and Sue aren’t home, are they?

—No.They _____to London on business.

A. have gone B. go C. have been D. will go

A 【解析】試題分析：句意：――本和蘇不在家，是不是？――是的，他們?nèi)�倫敦出差了。A.have gone去了，沒有回答；B.go（經(jīng)常）去；C.have been去過，回來了；D.will go要去。從句意可知：他們?nèi)�倫敦出差未回，故用have gone to。選A。

If you are planning a trip to a place of interest,you’d better look in your local library a book about it.

A. on B. at C. to D. for

D 【解析】句意：如果你計劃去一個名勝古跡的地方旅游，你最好在當?shù)貓D書館找一本關于它的書。根據(jù)look on觀看，旁觀；look at看---；look to當心，注意；look for尋找；根據(jù)in your local library a book可知是找一本書；故選D

—Mom,I watched TV for only forty minutes.Sometimes TV is good for us.

—Forty minutes enough.Now you must do your homework.

A. watch;is B. watching;was C. watched;are D. watching;were

B 【解析】句意：——媽媽，我僅僅看了40分鐘的電視，，有時看電視對我們有好處�！�—40分鐘足夠了，現(xiàn)在你必須做作業(yè)。根據(jù) TV is good for us.可知這里缺少主語，動詞做句子的主語用doing/to do，所以排除A/C；根據(jù)Forty minutes看做只一個整體，所以謂語動詞用單數(shù)；故選B

Tim Cook called his mother every week even while he_______ around the world.

A. was traveling B. is traveling

C. traveled D. travels

A 【解析】試題分析：句意：蒂姆·庫克每周都給他的母親打電話，即使他正在環(huán)球旅行。while引導時間狀語從句時，強調(diào)主從動作同時發(fā)生，從句中常用進行時態(tài)。本題主句是一般過去時態(tài)，故從句中用過去進行時態(tài)。選A。

—He be in the classroom， I think.

—No， he be in the classroom. I saw him go home a minute ago.

A. can； may not B. must； may not

C. may； mustn’t D. may； can’t

D 【解析】試題分析：句意：--我認為他可能在教室里。--不，他肯定沒有在教室里，我剛才看到他回家了。must，can(could)，may(maight) 可以表示猜測，must 表示肯定猜測，用于肯定句，肯定······，一定······；can’t，表示否定猜測，肯定不······，另外can(could)，may(maight)，表示可能性猜測，可能······。根據(jù)I think，...

— angry Kangkang looks!What happened?

—He found his mother reading his diary when he returned home yesterday.

A. How B. What C. What an D. How an

A 【解析】句意：——康康看起來多么生氣��！發(fā)生什么事了？——昨天當他回家的時候，他發(fā)現(xiàn)他媽媽在看他的日記。這是一個感嘆句結構，What （+a/an ）+ 形容詞+名詞（+主語+謂語+其他）+!How +形容詞/副詞（+主語+謂語+其他）+！故選A

—Will you go to the cinema with me this weekend?

—Sorry,I hiking with my cousin.

A. go B. went C. have gone D. will go

D 【解析】句意：——這周末你和我去看電影嗎？——對不起，我要和我表弟去遠足。根據(jù) this weekend可知用將來時態(tài)；故選D

—Do you like seeing a movie on your mobile phone?

—No.I do that because it makes me uncomfortable.

A. often B. usually C. seldom D. sometimes

C 【解析】句意：——你喜歡在手機上看電影嗎？——不，我很少那樣做，因為它使我不舒服。A. often經(jīng)常； B. usually 通常； C. seldom 很少； D. sometimes有時；根據(jù)No.和because it makes me uncomfortable.可知是很少；故選C