1. Professor Smith and Professor Brown will _____ in giving the class lectures.
?A. exchange B. alter C. shift D. alternate

[答案]D. alternate.

[注釋]alternate vt./vi. 輪流，交替發(fā)生或出現(xiàn)：
1)Wet days alternate with fine days.(晴雨天交替更迭。)
2)The weather today will alternate between fine and cloudy.(今天的天氣將是晴間多云。)

shift般動(dòng)，移動(dòng)（vt.）；轉(zhuǎn)移到，遷移（vi.）；改變：
1)Lend me a hand to shift the piano, will you?(請幫個(gè)忙搬一下這臺(tái)鋼琴。)
2)They have shifted away from this area.(他們已從這一地區(qū)遷走了。)
3)The candidate is constantly shifting his opinion about the problem.(這位競選者在這個(gè)問題上不斷改變他的觀點(diǎn)。)

exchange交換；exchange... for ... 用.......換......；

alter(部分)修改。

2. Pack the cake in a strong box, or it might get _____ in the post.
A. splashed B. spilt C. crushed D. crashed

[答案]C. crushed.

[注釋]crush壓壞，壓碎；弄皺；輾散；
1)Don't crush this box; there are flowers inside.(不要把這個(gè)盒子壓壞了，里面有鮮花。)
2)Her dress was crushed.(她的衣服弄皺了。) 3)The machine crushes wheat grain to make floor.(這臺(tái)機(jī)器把麥粒輾成面粉。)

splash濺，潑；split(中間)裂開；crash(向下)猛跌；（飛機(jī)）失事。

3. The thief _____ the papers all over the room while he was searching.
A. abandoned B. vanished C. scattered D. deserted

[答案]C. scattered.

[注釋]scatter(=throw or put in various directions, or here and there)撒。abandon放棄，拋棄。desert遺棄（而離開）。vanish消亡，滅亡。本題句意是將小偷在搜尋錢時(shí)的情景，所以應(yīng)選scattered(撒)。

4. Today, housework has been made much easier by electrical _____.
A. facilities B. appliances C. instruments D. equipment

[答案]B. appliances.

[注釋]electric appliances電器用具，facilities公用設(shè)備。equipment設(shè)備,裝備，是集合名詞，指“設(shè)備”的總稱，只有當(dāng)數(shù)形式。instrument儀器。

5. The _____ of the trees in the water was very clear.
A. mirror B. sight C. reflection D. shadow

[答案]C. reflection.

[注釋]reflection此處意為“映在水中的倒影”，而不是“影子”或“陰影”，故不能用shadow。其他選擇均不合題意。

6. One _____ needed when making a cake is flour; another is sugar.
A. container B. ingredient C. content D. equivalent

[答案]B. ingredient.

[注釋]ingredient(混合物的)成分。container容器，含量；內(nèi)容（復(fù)數(shù)）。equivalent:相等物。

7. They have been waiting for many hours to see the singer, but the airplane must have been _____.
A. behind the times B. behind schedule
C. ahead of time D. in no time

[答案]B. behind schedule.

[注釋]behind schedule(=late, behind time)晚點(diǎn)：
The train is running behind schedule today.(=The train is not on time today.)

behind the times(=using things not in style; still following old ways; old fashioned)過時(shí)，跟不上時(shí)代，落后：
1)The store is behind the times.(=The store is old-fashioned; it looks as stores looked 40 years ago.)
2) Mary thinks her parents are behind the times because they still do the fox-trot and don't know any new dances.(=Mary's parents are old-fashioned in their dancings .)

ahead of time提前： They have fulfilled their production plans ahead of time

in no time(=soon, quickly)立即，馬上：I'll be back in no time to see you home.

8. Neither of them thought highly of him and they both tried to _____ him in his work.
A. hamper B. support C. assist D. encourage

[答案]A. hamper.

[注釋]hamper(=hinder, prevent free movement or activity)阻礙：Lack of equipment is hampering our work.
本題譯文：他們兩人都認(rèn)為他不怎么樣并極力阻礙他工作。
Think highly of... 對...評(píng)價(jià)很高，認(rèn)為......很好。

9. Her display of bad temper completely _____ the party.
A. harmed B. damaged C. spoilt D. hurt

[答案]C. spoilt.

[注釋]spoil指出意指“使...... 掃興，搞糟”，如：Quarrelling spoilt the picnic.(爭吵使這次野餐弄得很掃興。)hurt傷害，damage 損壞，harm危害，均不合題意。

10. We forgave his bad temper because we knew that his son's illness had put him under great _____.
A. emotion B. excitement C. crisis D. stress

[答案]D. stress.

[注釋]put sb. under(great) stress使某人處境（非常）緊張，使某人受（很大）壓力。?