101. 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)：Wet days alternate with fine days.(晴雨天交替更迭。)The weather today will alternate between fine and cloudy.(今天的天氣將是晴間多云。)

　　shift般動，移動(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。

　　102. 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。

　　103. 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)。

　　104. 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。

　　105. 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。

　　106. 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。

　　107. 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.

　　108. 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...評價(jià)很高，認(rèn)為......很好。

　　109. 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。

　　110. 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。