150] _____ to sunlight for too much time will do harm to one’s skin.

[译文] 暴露在阳光下太久将对一个人的皮肤有害。

　 A. Exposed 　 B. having exposed

　 C. Being exposed 　 D. After being exposed

[答案及简析] C。 动名词短语做主语，用系表结构表示状态。

149] He was about to tell me the secret_____ someone patted him on the shoulder.

[译文] 正当他打算把这个秘密告诉我的时候，有人拍他的肩膀。

　 A. as 　 B. until

　 C. while 　 D. when

[答案及简析] D。 在主句是be about to do sth.的情况下，从句用when引导。

148] Perseverance is a kind of quality--- and that is _____ it takes to do anything well.

[译文] 毅力是一种素质。那是将什么都能做好的素质。

　 A. what 　 B. that

　 C. which 　 D. why

[答案及简析] A。 此句是it take sth. to do sth.句型。perseverance做take的宾语。

147] There is a feeling _____ me______ we’ll never know what a UFO is --- not ever.

[译文] 我有一种感觉，我们会弄清楚什么是UFO，不会很久的。

　 A. in; that 　 B. on; which

　 C. for; for which 　 D. by; what

[答案及简析] A。 在某人身上介词用in；此句中有一个同位语从句。

146] We thought of selling this old furniture, but we’ve decided to _____ it. It might be valuable.

[译文] 我们原想卖掉旧家具，但我们决定保留着也许他们有价值呢。

　 A. hold on to 　 B. keep up with

　 C. turn to 　 D. look after

[答案及简析] A。 hold on to保留；keep up with保持联系；turn to求助于；look after照料。

145] Mrs. Black doesn’t believe her son is able to design a digital camera, ________?

[译文] 布莱克太太不相信她的儿子能够设计数码相机，是吧？

　 A. is he 　 B. isn’t he

　 C. doesn’t she 　 D. does she

[答案及简析] D。 复合句的反意疑问句的附加疑问部分一般说来与主句一致。

144] I feel it is your husband who _____ for the spoiled child.

[译文] 我认为是你的丈夫该为这个被溺爱的孩子而受到责备。

　 A. is to blame 　 B. is going to blame

　 C. is to be blamed 　 D. should blame

[答案及简析] A。 责备，抱怨某人，用主动形式不用被动。Sb. is to blame for sth.

143] Luckily, the bullet narrow missed the captain ______ an inch.

[译文] 真幸运，子弹差一英寸就击中上尉了。

　 A. by 　 B. at

　 C. to 　 D. from

[答案及简析] A。 by an inch 相隔一英寸。固定表达法。

142] One way to understand thousands of new words is to gain _____ good knowledge of basic word formation.

[译文] 认识数千词汇的一个办法是掌握构词法。

　 A. / 　 B. the

　 C. a 　 D. one

[答案及简析] C。 have / gain a knowledge of 是一个固定搭配，"掌握"的意思。

141] The research is so designed that once ______ nothing can be done to change it.

[译文] 这个研究一旦开始什么都不能使它改变。

　 A. begins 　 B. having begun

　 C. beginning 　 D. begun

[答案及简析] D。 once begun是once引导的条件状语从句的省略形式。= Once it is begun