244. They decided to leave the waiter a big _____ because the food and service had been excellent.

   A. note    B. reward    C. tip    D. gift

[答案]C. tip。

[注释]tip 本题中意为"小费"。

243. The patients believe that the doctor knows exactly how to put them _____.

   A. correct    B. perfect    C. right    D. well

[答案]C. right。

[注释]put sth. /sb. right 纠正；治好，使恢复健康：Since man has done so much damage, it is up to man to put the matters right. (既然人类已造成了如此巨大的损害，人类又哲人纠正这种状况。)又如：This medicine will soon put you right. (这药很快会使你恢复健康。)其他3个选择均不能与put 构成习语，故不能入选。

本题译文：病人相信医生清楚地知道怎样治好他的病。

242. Stressful environments lead to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease.

   A. in turn    B. in return    C. by chance    D. by turns

[答案]A. in turn。

[注释]in turn (插入语)转而，依次，而又：We need revision of estimated sales and this, in turn , will mean revision in production schedule. (我们必须修改预计销量，而这反过来又意为这修订生产计划。)in return 作为报答: I wish I could do something for you in return. (我要是能为你做点事作为报案就好了。)I gave him a present but he gave me nothing in return.（我送给他一份礼物，可他却什么也不给我作为答谢。）by chance (=by accident)偶然地；无意中：I meet him by chance on Fifth Avenue.(我偶然在第5大街上遇到他。)by turns 轮流地，依次：There were twelve of us in the boat and we rowed by turns.(船上有12人，我们轮流划船。)

本题译文：紧张的环境会导致诸如不良的饮食习惯等不健康行为，而后者又会增加患心脏病的危险。

241. Circus tigers, although they have been tamed, can _____ attack their trainer.

   A. unexpectedly    B. deliberately    C. reluctantly     D. subsequently

[答案]A. unexpectedly.

[注释]unexpectedly 出乎意料地。例如：He unexpectedly failed to get the job.(他出乎意料没有得到这件工作。)又如：We met each other unexpectedly. (我们不期而遇。)deliberately故意地：I believe the house was deliberately set fire to.(我相信这房子是有人故意放火烧的。)reluctantly 不情愿地，勉强地：She agreed, very reluctantly, to help. (她十分买鸟枪地同意帮忙。) subsequently后来，随后：He escaped from prison but was subsequently recaptured. (他越狱逃跑了，但后来又被抓回来。)

本题译文：马戏团地老虎虽然已被驯服，但也会出乎意料地袭击驯兽师。

240. The _____ of his clothes indicated too clearly that he had been playing football.

   A. state    B. condition    C. occasion    D. situation

[答案]A. state.

[注释]state n. 状况，状态。例如：She is in a poor state of health. Situation处境，形势，局面，情况，工作：He was in a hopeless situation. condition 情况（多用复数）： Economic conditions were bad. occasion 场合，时机。

239. When the entire class worked together they finished the project _____.

   A. in no way       B. in no time

   C. on no account   D. in no case

[答案]B. in no time.

[注释]in no time (=in a very little time, soon, quickly)立即，马上：The bus filled with students in no time. (这辆公共汽车很快就被学生挤满了。)

238. Paper making began in China and from there it _____ to North Africa and Europe.

   A. sprang    B. spilled    C. carried    D. spread

[答案]D. spread.

[注释]spread vt./vi. 此处意指"传播"，如：1)The news spread quickly. 2)Files spread disease.(苍蝇传播疾病。)carry是及物动词，意为把某人从一处带到他处，故也有"传送"的含义，如：He carried the news to everyone in the village. 当carry vt. 在本句中与句子的语法结构不符。Carry作vi.用时，指"（发射物、声音等）能射到，能传到"，如：His voice carries far. (他的声音能传得很远。)

237. Children who are over-protected by their parents may become _____.

   A. hurt    B. spoiled    C. damaged    D. harmed

[答案]B. spoiled.

[注释]spoil(=make a child selfish from having too much attention or praise)宠坏，惯坏；Spare the rod, spoil the child.(省下了棍子，惯坏了孩子。)这是英国谚语，意为"棒头上出孝子"。

236. It would be _____ a risk to let the child go to school by himself.

   A. following    B. passing    C. running    D. carrying

[答案]C. running.

[注释]run(take) a risk 冒风险：You are running a big risk in trusting him.(你信任他是冒极大的风险。) by oneself(=alone)单独，独立地。

235. So far as he could, John had always tried to _____ the example he saw in Lincoln.

   A. live up to    B. set forth    C. call for    D. cut out

[答案]A. live up to.

[注释]live up to不辜负，作到；参阅Ⅲ，102注释, set forth阐明，提出，列举；参阅Ⅲ，154注释, cut out删去；参阅Ⅲ，38注释, call for需要，要求；参阅Ⅲ，26注释。

本题译文：只要约翰能够，他总是努力做到他在林肯身上所看到的榜样。