Today the forests are disappearing. We must _______ down too many trees.

A. prevent people to cut B. prevent people from cutting

C. prevent people for cutting D. prevent people at cutting

B 【解析】句意：今天，森林正在消失。我們必須防止人們砍伐過多的樹木。prevent sb. from doing sth.阻止某人做某事，故答案選B。

He made a fire _______ himself _______ warm.

A. make; to keep B. to make; to keep

C. to make; keep D. make; keep

C 【解析】試題分析：句意：他生起了火來使自己保持暖和。根據(jù)句意及題干分析第一空應(yīng)用不定式做目的狀語；第二空“讓某人做某事”是make sb. do sth.，所以此題選C。

There will be_________space for wildlife in the world．

A. fewer and fewer B. 1ess and less C. fewer and less D. 1ess and fewer

B 【解析】試題分析：句意：在世界上留給野生動物的空間將越來越少。形容詞的比較級連用表示：越來越---；space是不可數(shù)名詞，不能用few修飾。故選B。

English is very__ and all the students know the___ of the English Study.

A. important；importance B. importance；important

C. Importance；importance D. important；important

A 【解析】句意：英語很重要，所有的學(xué)生都知道英語學(xué)習(xí)的重要性。important重要的，形容詞形式；importance重要性，為名詞形式。very修飾形容詞或副詞，very important非常重要，the importance of……的重要性，故答案為A。

— Is Eric in the next room?

—Well，it’s hard to say. But I heard him _____loudly when I passed by just now.

A. sing B. to sing C. sang D. singing

D 【解析】試題分析：句意：--艾瑞克在隔壁房間嗎？--哦，很難說，但是剛才我經(jīng)過時我聽到他在唱歌。hear sb do sth 聽到某人做某事.暗示過程完成.hear sb doing sth 聽到某人正在做某事.強調(diào)動作的進行.可能你聽到的只是動作的一部分..結(jié)合句意，故選D

The film is one of _____that I have seen, I almost slept in the cinema.

A. the most interesting B. the least interesting

C. the most interested D. the less interesting

B 【解析】句意：這部電影是我看過的最沒有趣的電影之一，我?guī)缀踉陔娪霸豪锼�著了。interesting一般修飾物，interested一般修飾人，首先排除C；根據(jù)后面的句子“I almost slept in the cinema.” 幾乎在電影院里睡著了，說明電影是看過的最沒有趣的電影，the most interesting最有趣的；the least interesting最沒有趣的。...

He_______ much food_______ the poor family during the hard time.

A. provided; to B. provides; with

C. provided; with D. provided; for

D 【解析】句意：在困難時期，他給那個貧窮的家庭提供了很多食物。根據(jù)時間狀語during the hard time.可知此處用一般過去時，故排除B選項；根據(jù)短語provide sth. for sb.=provide sb. with sth.“向某人提供某物”。故答案選D。

The maths problem is not easy enough ___________

A. work out B. work it out

C. to work out D. to work it out

C 【解析】句意：這道數(shù)學(xué)題不容易計算出來。not + adj. /adv.+ enough to do sth.意思是“不夠……不足以……，”排除A,B；The maths problem既是句子的主語同時又是work out的邏輯賓語，因此就不能再用it作賓語， 故答案為C。

My parents lent me the money. _______, I couldn’t pay for the trip.

A. And B. But C. Otherwise D. However

C 【解析】句意：我父母把錢借給了我。否則，我就付不起這次旅行的費用。A. And而且；B. But但是； C. Otherwise用作連詞，意思為“否則，要不然”；D. However可是，然而，表示轉(zhuǎn)折關(guān)系。結(jié)合句意可知，答案為C。

I have two rooms________，but I can’t decide________．

A. to live；to choose which one B. lived；choose which one

C. to live in；which one to choose D. live；which one

C 【解析】試題分析：句意：我有兩個可住的房間，但我不能決定住哪一間。本題考查不定式作定語和疑問詞+不定式作賓語。故選C。