题目内容

B细胞免疫缺陷选择

A. 淋巴细胞增殖反应试验
B. 免疫球蛋白检测
C. RT—PCR技术
D. 黏附分子测定
E. CHSO溶血试验

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【C13】

A. agree
B. promise
C. insist
D. allow

A: Firsdy, allow me to introduce myself. My name is John Brown, manager of the company. B:

A. You must be mistaken. I don"t know you at all
B. Hello, Brown" I haven"t seen you for ages
C. How do you do, Mr. Brown? Very happy to see you.
D. Hi, John! Welcome to China!

Wilson: Hello. May I speak to Mary? Mary: ______

A. Sorry, the number is engaged. Will you hold?
B. Yes, speaking.
C. Hello. Who are you, please?
D. Hello. Thank you for calling.

Taxi driver: Here you are, sir. Grand Hotel. Passenger: How much is it?Taxi driver; Two dollars and fifty cents.Passenger: ______.

A. Don"t give me the rest
B. It"s not necessary to give me the coins
C. Keep the change
D. I give up the pocket money

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