21　 When I came into her room, she was ______ in her book

　 A．absorbed　 　　　　 B．controlled　　 　　 C．exposed　　 　　　 D．devoted

22　 . It is very kind ­­­______you ______ and see me.

A.of; come　 　　　　 B. for; come　　　 　　　 C. for; to come　　 　　　　　　 D. of; to come

23　　 When _____why he was late the boy kept silent.

A. asking　　　 B. ask　　　　　 C. asked　　　　　　 D. to ask　

24　　 he boy wanted to play football in the street, but his parents told him ___.

A.　　　 not to　　　 B not to do　　　 C. not do it　　　　　　 D. do not to

25. He was determined not to be the first ____it.

A. say　　　　　 B. saying　　　　 C. to say　　　　　　　 D. says

Section A　

Conversation 1

1 What will the speaker do　 ?

A Have a meeting　　 B Attend a meeting　　　 C Go to a lecture

2 Who is interested in photography　 ?

A The man’s sister　　 B the woman’s sister　　 C The man speaker

Conversation 2

3 Where does the conversation probably take place　 ?

A At a restaurant　 B At the man’s home　　　 C At the woman’s home

4 What will the speaker do first ?

A Watch TV　　 B Take a bath　　　　　　　 C Have dinner

Conversation 3

5 How many times has the man read the novel ?

A Once　　　　　 B Twice　　　　　　　　　 C Three times

6 Where did the man get the novel ?

A In the people’s Bookstore　　 B In the Rose Bookshop　 C In the People’s Cinema

Conversation 4

7 What does the woman probably do ?

A A reporter　　　　　 B A teacher　　　　　　　　 C A policewoman

8 What does the boy spend his pocket money on ?

A Clothes　　　　　　 B Cards and films　　　　　　 C Computer　 games

9 What can we know about the boy from the conversation ?

A He earns extra money from his uncle

B He has to work to pay for the housing and meals

C He lives with his parents

Conversation 5

10 Who is asking for money allowance after the couple’s divorce ?

A Jessica　　　　　　　 B Nick　　 　　　　　　C The man speaker

11 Who was the breadwinner mentioned in the conversation ?

A Jessica　　　　　　　 B The woman speaker　　 C Nick

12 What can we know from the conversation　 ?

A Men shouldn’t ask women for money allowance

B The man is not married

C The woman doesn’t want to get married

Conversation 6

13 What is the man’s problem　 ?

A His passport is missing　　　　　　　　　　 B He can’t find his traveler’s checks

C He has lost his credit card .

14 What did the man buy in the department store yesterday ?

A A sports suit　　　　 B A pair of sunglasses　　　　　　 C A pair of trainers

15 What can we know about the man from the conversation ?

A He is too careless　　　 B He likes shopping　　　　　　　 C He is traveling abroad

Section B

22、　　　　　 (本小题满分10分)

如图，四面体ABCD中，

(1)求证：平面ABD⊥平面BCD；

(2)求异面直线AB与CD所成角的余弦值。

海南中学2009-2010学年第一学期期末考试

21、　　　　 (本小题满分10分)

已知圆，直线。

(1)求证直线恒过定点，并求出该定点；

(2)当直线被圆截得弦长最小时，求此时直线的方程。

20、　　　　 (本小题满分8分)

如图，AB是⊙O的直径，C为圆上一点，AB＝2，AC＝1，P为⊙O所在平面外一点，且PA垂直于⊙O所在平面，PB与⊙O所在平面成角．求点A到平面PBC的距离．

19、　　　　 (本小题满分8分)

已知圆的半径为，圆心在直线上，圆被直线截得的弦长为，求圆的方程．

18、　　　　 (本小题满分8分)

如图，已知点是平行四边形所在平面外的一点，，分别是，上的点且，求证：平面．

17、　　　　 (本小题满分8分)

将圆心角为120⁰，面积为3的扇形，作为圆锥的侧面，求圆锥的表面积和体积.

16、　　　　 已知一半径为R，高为h(h>2R)的无盖圆柱形容器，装满水后倾斜，剩余的水恰好装满一半径也为R的球形容器，若R=3，则圆柱形容器的高h为__________

15、　　　　 如图是正方体的展开图，在此正方体中：①BM//平面DEA；②CN//平面ABF；③平面BDM//平面AFN；④平面BDE//平面NCF。以上4个命题中，正确命题的序号是__________