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

[答案]D. alternate.

[注释]alternate vt./vi. 轮流,交替发生或出现:
1)Wet days alternate with fine days.(晴雨天交替更迭。)
2)The weather today will alternate between fine and cloudy.(今天的天气将是晴间多云。)

1)Lend me a hand to shift the piano, will you?(请帮个忙搬一下这台钢琴。)
2)They have shifted away from this area.(他们已从这一地区迁走了。)
3)The candidate is constantly shifting his opinion about the problem.(这位竞选者在这个问题上不断改变他的观点。)

exchange交换;exchange... for ... 用.......换......;


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.

1)Don't crush this box; there are flowers inside.(不要把这个盒子压坏了,里面有鲜花。)
2)Her dress was crushed.(她的衣服弄皱了。) 3)The machine crushes wheat grain to make floor.(这台机器把麦粒辗成面粉。)


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.

[注释]scatter(=throw or put in various directions, or here and there)撒。abandon放弃,抛弃。desert遗弃(而离开)。vanish消亡,灭亡。本题句意是将小偷在搜寻钱时的情景,所以应选scattered(撒)。

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

[答案]B. appliances.

[注释]electric appliances电器用具,facilities公用设备。equipment设备,装备,是集合名词,指“设备”的总称,只有当数形式。instrument仪器。

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

[答案]C. reflection.


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

[答案]B. ingredient.


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.

[注释]behind schedule(=late, behind time)晚点:
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)过时,跟不上时代,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,马上: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.

[注释]hamper(=hinder, prevent free movement or activity)阻碍:Lack of equipment is hampering our work.
Think highly of... 对...评价很高,认为......很好。

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

[答案]C. spoilt.

[注释]spoil指出意指“使...... 扫兴,搞糟”,如:Quarrelling spoilt the picnic.(争吵使这次野餐弄得很扫兴。)hurt伤害,damage 损坏,harm危害,均不合题意。

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.

[注释]put sb. under(great) stress使某人处境(非常)紧张,使某人受(很大)压力。