18．It's easy to take your hearing for granted until it's too late．
With the wide（16）popularity（popular） of digital entertainment products，it is not uncommon to see people wearing headphones and listening to music（17）whilerunning in the park or using public transport．And the volume is often so loud that people around（18）themcan hear the music as well．
However，doctors warn that such behavior can（19）potentially（potential） damage their hearing．"In noisy places，people tend（20）to turn（turn） the volume up to get the same clarity of sound．Unfortunately，that can damage the hearing（21）withoutpeople being aware of it，"said Feng Yongfeng，chief ENT physician at Beijing Tian'an Hospital．
After Spring Festival，the hospital witnessed（22）aslight increase in the number of teenagers coming in with hearing problems，（23）whichFeng attributed to them wearing headphones at home for long periods during the holiday．Feng said both in-ear and overhead headphones can harm the ears and（24）advised（advise） against using them for long periods．He said if you do use headphones it is worth（25）investing（invest） in the highest quality you can afford．

17．What lessons China can draw from ________ financial crisis in the United States has become ________ hot topic in Beijing．（　�。�

A．

the； a

B．

a； a

C．

the； 不填

D．

不填； the

16．There are also instructions about the      of all the buttons and switches．（　�。�

A．

purpose

B．

function

C．

power

D．

effect

15．        number of guests to the hotel has been repoted to       manager onduty．（　　）

A．

The；the

B．

A； the

C．

The；不填

D．

The；a

14．-It's a long journey．My car couldn't make it．
-You can drive my car．It's quite old，but it's still pretty ___________．（　�。�

A．

reliable

B．

convenient

C．

supportive

D．

available

13．M：I don't know what to read．（61）C
W：Erm…Have you read a book by John Wyndham called Web？I've just finished it．
M：（62）AWhat sort of book is it？
W：Well，you know John Wyndham writes science fiction stories-"This one is a novel set on a Pacific island．
M：（63）E
W：Well，the main characters are a man and a woman who join a group of people hoping to start perfect society．
M：I see，（64）B
W：No．It turns out that the island they go to is full of huge spiders．They're determined to destroy everything there，including any people who come"-but I won't tell you what happens next，or you won't want to read it．
M：OK．（65）GThanks．
A．No，I haven t．
B．a(chǎn)nd do they succeed？
C．Can you recommend something？
D．Yes，I have．
E．What's it about then？
F．Have a good time．
G．I'11give it a try．

12．In the eyes of ____ local people，the young soldier is ____ second to none，for he managed to save ____ old lady at the risk of his life．（　�。�

A．

/；/； the

B．

the； the； the

C．

the；/； an

D．

/； a； an

11．-Bruce was killed in a traffic accident．
-       I talked with her yesterday morning!（　�。�

	A．	What a pity!		B．	I beg your pardon？
	C．	Sorry to hear that．		D．	Is that so？

10．Eventually，the President had to leave       office in response to public pressure in order to ease        tension of the situation．（　�。�

A．

/； the

B．

the；/

C．

/；/

D．

an； the

9．-May I use your new dictionary？I want to look up a word．
-It's over there．      ．（　�。�

A．

No problem

B．

Got it

C．

Feel free

D．

It depends