男，67岁，近3个月消瘦、乏力，有上腹胀痛，近1个月出现巩膜及周身黄染，进行性加重，

用括号中所给词的适当形式填空。

                                 New Year's Resolution Survey Results

    We got over 1,000 letters, 1._____ (fax), and e-mails from our readers about their New Year's

resolutions. Thank you! Many readers are 2._____ (go) to work harder in school this year. Lots of

readers are going to play 3._____ (sports). Some readers said they are going to eat 4._____ (many)

vegetables. A few readers said they are going to learn a new language. Some girls 5._____ (say) they

are going to exercise more to keep fit. Some parents are going to study the subjects their 6._____ (child)

learn at school. They want to communicate 7._____ (good)with their kids. An old lady said she found a

job as a foreign language teacher. She is going to look for a 8._____ (teach) job in China next year.

在□里填一个数字，使每个数既是5的倍数又是偶数。

7□0        □50       1□□       3□

一国在一定时期内出口额大于进口额则形成（）

A．净出口

B．净进口

C．贸易顺差

D．贸易逆差

风湿性心脏病二尖瓣狭窄患者，早期呼吸困难常表现为

A．端坐呼吸
B．劳力性呼吸困难
C．夜间阵发性呼吸困难
D．心源性哮喘
E．急性肺水肿

锌接地电池是用来提供一个（）通道，排放强电电涌但不泄漏阴极保护直流电流的一种装置。

A.中电阻

B.零电阻

C.高电阻

D.低电阻