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问题 补全对话，情景问答
情景对话。
A: Have a good trip!
B: I'm afraid not.
C. Thanks.
D. That's OK
E. Bye!
F. It doesn't matter.
G. We're going on a trip to Shanghai.
A: 1.           Can you go with us?
B: 2.           
A: Why?
B: Because I have a lot of work to do.
A: 3.           
B: to get ready for your trip.
A: 4.           everything ready now. We are leaving this afternoon.
B: 5.           
A: Thank you
B: You're welcome.
答案

1-5: GBECA

单项选择题

聚丙烯塑料(PP)由丙烯单体聚合而成，下列聚丙烯塑料的特点何者是不正确的（）

A. 低温脆性不显著、抗大气性好

B. 刚性、延性和抗水性均好

C.质轻

D. 耐热性较高
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单项选择题 A1/A2型题

治疗耳鼻咽喉梅毒首选药物是（）。

A.制霉菌素

B.青霉素或庆大霉素

C.青霉素或红霉素

D.红霉素或庆大霉素

E.制霉菌素或庆大霉素
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