9. 　 -Is this the reason_______ he explained at the meeting for his being late for work?

　 -Yes, he handed everything _____ he had picked up in the street to the police and was late then.

　 　　　　　 A. which, which　　　　　 B. why, which　　　　　　　 C. that, that　　　　　 D. why, that

8. 　 　-Hi, Tom._______.

　 -It’s you, Mike._______.

A.I don’t know you are here.　 　　　　　　　　 B. I don’t know you were here.

C.I didn’t know you are here.　 　　　　　　　　 D. I didn’t know you were here.

7.　　 After several rounds of competition, the little girl ______ because of her excellent English and quick wit.

A. stood out　　　 　　　　　　　 B. picked out　 　　　 C.ran out　　　 D. came out

6.　　 -You must be tired out after the climbing.

-Oh, ______ . I felt too tired to move.

A. not a bit　　　 　　　　 B. not a little　　　 C. not at all　　 　 D. not nearly

5. 　 The River Nile ________ flood large areas, but now the waters of it ________ electricity.

　 　　　　　 A. is used to, used to produce　　　　　　 　　　 B. used to, are used to producing

　 　　　　　 C. used to, used to produce　　　　　 　　　　　　 D. used to, are used to produce

4.　　 China Daily is _____ a newspaper. With the help of it, readers can _____ recent news as well as important events.

A. more than; inform of　　　　 　　　　　　 B. better; be informed of　　

C. more than; be informed of　　 　　　　　　 D. better; inform of

3. He made another wonderful discovery, ____ of great importance to science.

　 　　　　 A. which I think is　 B. which I think it is　 C. which I think it　 　　　 D.I think which is

2.　　 -You look upset. What’s up.

-I fail to achieve my aim to ________ my parents by twenty.

A. be hard on　 　　 B. be fond of　　 　　　　 C. be in charge of　 　　 D. be independent of

62、下图为对某一家族中甲、乙两种遗传病调查后得到的系谱图。I-4的家庭中没有乙病史。

试回答(以A与a、B与b依次表示甲、乙两种遗传病基因及等位基因)；

⑴甲病的遗传属于　　　 染色体　　 性遗传；乙病最可能属于　　　 染色体　　 性遗传。

(2)若U已两病兼发的哥哥，则U正常的可能性为　　　　　　 　。