―It's clever you to help me work out the difficult maths problem. Thanks!

―You are welcome. Now it's easier you to understand it.

A. of; of B. of; for C. for; of D. for; for

B 【解析】 試題句意： 你真聰明，幫我解出了這道數(shù)學(xué)難題。謝謝你！——不必客氣�，F(xiàn)在你更容易理解它。本題考查的句型是it is +adj.+ of/for sb. to do sth. 對某人來說做某事是……的。當(dāng)形容詞是指人的品質(zhì)方面的，應(yīng)該用of，如果形容詞是修飾后面的動詞不定式，就用for，故答案為B。

This kind of bamboo can be used a fishing pole(竿).

A. for B. as C. to D. by

B 【解析】句意：這種竹子能被用作魚竿。be used as被用作是……，故選B。

—I can't stop smoking, doctor.

一For your health, I'm afraid you .

A. must B. can C. have to D. need

C 【解析】句意：——醫(yī)生，我戒不了煙�！�—為了你的健康，恐怕你必須戒煙。must必須，表示主觀上的要求；can可以，表示允許；have to不得不，表示客觀上的要求；need需要，表示必要性。根據(jù)For your health,可知為了健康而戒煙，這是客觀上的要求，故用have to，故選C。

We students can collect food and old clothes for the homeless people, and the teachers can ________learning skills for the poor children.

A. give B. offer C. prevent D. provide

D 【解析】試題句意：我們學(xué)生可以為無家可歸的人收集食物和舊衣服，老師可以為貧困兒童提供學(xué)習(xí)技能。A. give給；B. offer 提供；C. prevent阻止；D. provide提供。provide sth. for sb. 向某人提供某物。結(jié)合句意可知，答案為D。

People running everywhere. Do you know what ?

A. see; has happened B. see; happens

C. are seen; is happening D. are seen; is happened

C 【解析】句意：到處可見人們奔跑。你知道正在發(fā)生什么事嗎？結(jié)合句意，主語people與謂語see之間是被動關(guān)系，故用被動語態(tài)，故排除AB兩項(xiàng)。happen表示“發(fā)生”，沒有被動形式。根據(jù)running可知此處表示正在發(fā)生什么事，故用現(xiàn)在進(jìn)行時be doing，故選C。

After a short rest, the doctor carried on the next patient

A. operating B. operation on

C. do an operation on D. operating on

D 【解析】句意：短暫休息一段時間后，那位醫(yī)生繼續(xù)為下一位病人做手術(shù)。operate on=do an operation on“給……做手術(shù)”，carry on doing sth繼續(xù)做某事，故選D。

I find difficult us to work out the math problems.

A. its; of B. its; for

C. it's; of D. it; for

D 【解析】句意：我認(rèn)為我們很難做出那些數(shù)學(xué)難題。根據(jù)句型find it difficult for sb to do sth“認(rèn)為某人做某事是很難的”，it是形式主語，to do sth是真正主語，故選D。

—Oh dear! How can I clean the classroom in just 10 minutes?

—Don't worry. . We can give you a helping hand.

A. Every dog has its day B. Practice makes perfect

C. A friend in need is a friend indeed D. Many hands make light work

D 【解析】句意：——哦，天哪！我怎么能在只有10分鐘內(nèi)打掃完教室呢？——不要擔(dān)心。眾人拾柴火焰高。我們能給你一個幫助。Every dog has its day風(fēng)水輪流轉(zhuǎn)；Practice makes perfect孰能生巧；A friend in need is a friend indeed 患難見真情；Many hands make light work眾人拾柴火焰高；根據(jù)We ca...

—Please don't speak in such a low voice. My grandfather is a little .

—Sorry, I .

A. blind; will B. disabled; won't

C. deaf; won't D. worried; will

C 【解析】句意：——請不要用這么低的聲音說話。我的祖父有點(diǎn)聾�！�—對不起，我不會了。blind瞎的；disabled殘疾的；deaf聾的；worried擔(dān)心的。根據(jù)Please don't speak in such a low voice.可知此處表示你說話聲音小，我的祖父會聽不見，因此我的祖父有點(diǎn)聾，故選C。

Volunteers often ________ the leaflets to people in the streets.

A. hand out B. put out C. run out D. come out

A 【解析】句意：志愿者經(jīng)常在街上給人們分發(fā)傳單。A. hand out分發(fā)，發(fā)放；B. put out撲滅，熄滅；C. run out用完，用盡；D. come out出來，出版，發(fā)行。志愿者在街道上義務(wù)分發(fā)傳單。故選Ａ。