Mike: Hi, mom. Id like you to meet my girlfriend, Susan Brown. Susan, this is my mother. Susan: How do you do, Mrs. Miller.Mother: How do you do, Susan. Im glad you can join us.______.
A. Take it easy
B. Please feel natural
C. Make yourself at home
D. Feel all right here
查看答案
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
【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.