答案与解析：B　cure后可直接跟表示疾病的名词作宾语，也可用"cure sb. of＋表示疾病的名词"，强调结果。comfort后常接sb.，作"安慰"讲；treat只指对某种疾病进行治疗，不表示结果，其用法是treat sb. for...；recover痊愈，由人作主语，其后跟from。

4. -Robin told me that he would leave tonight.

-What a pity！My brother wishes that he ________with him for a chat.

A. can stay B. will stay

C. had stayed D. would stay

答案与解析：D　wish后边的宾语从句常用过去时态表示虚拟。答句句意：多么可惜！我的哥哥希望罗宾留下来和他聊天。是对将来的虚拟，因此用would stay。had stayed是对过去发生的事情的虚拟，不合题意。

5. Shall we ________ our discussion and have some tea or coffee, please?

A. break down B. break off

C. break into D. break out

答案与解析：B　词组辨析。break down打破、破除、毁掉；break off打断、结束；也有"休息一下"的意思；break into破门而入；break out爆发，突围。根据句意，B项合适。

6. The famous singer walked into the hall and seated himself in a chair, ________ for answering questions to be raised by the journalists.

A. had prepared B. being prepared

C. preparing D. prepared

答案与解析：D　句意：那位著名歌星走进大厅，坐在椅子上，准备回答记者们的提问。prepared for为......做好准备，强调状态；preparing for正在为......做准备，强调动作。由语意可知，D项最佳。

7. We are interested in the weather because it ________ us directly-what we wear, what we do, and even how we feel.

A. benefits B. affects

C. guides D. effects

答案与解析：B　句意：我们对天气感兴趣，因为天气对我们穿衣、做事、甚至心情有直接的影响。affect(v.)影响，与句意相符。benefit对......有利；guide指导；effect作动词时意为"产生、造成"，作名词时，意为"影响"，常用have an effect on，其意相当于affect。

8. She was so ________ in her job that she didn't hear anybody knocking at the door.

A. attracted B. absorbed

C. drawn D. concentrated

答案与解析：B　句意：她的注意力全集中在工作上，没有听见有人敲门。be absorbed in"专心致志于"为一固定搭配。

9. -Dave's not at his desk today.

-________Isn't he feeling well?

A. Of course. B. How come?

C. So what? D. No wonder.

答案与解析：B　Of course当然；How come？怎么会呢？为何？；So what？那又怎样？；No wonder毫无疑问。上句"戴夫今天没上班"。根据答语后句"他不舒服吗？"可知答案为B项。

10. My study of biology has ________ much of my spare time, but it has given me a great deal of enjoyment.

A. taken in B. taken down