下列塑料中被称为“塑料王”的是[ ] A、聚氯乙烯 B、聚四氟乙烯  C、聚苯

题型:选择题

问题:

下列塑料中被称为“塑料王”的是[ ]

A、聚氯乙烯   

B、聚四氟乙烯    

C、聚苯乙烯    

D、有机玻璃

考点:塑料、纤维、橡胶
题型:选择题

在空白处填入适当的句子补全对话。

A: What can I do for you?

B: Yes, please. __1__ But what kind of flower shall I buy, roses or carnations (康乃馨)? She likes red

     roses best while today is Mother's Day.

A: I think carnations are special and better today. They show happiness, sweetness and love. They are for

     mothers.

B: All right. Can I have a look at those carnations?

A: Sure.__2__ 

B: Red.

A: What about these?

B: Great.__3__ 

A: 30 yuan.

B: OK.__4__ Here is the money.

A: Thank you. Here's the change and a card from our shop to your mom. Best wishes to her!

B: __5__ 

题型:选择题

治疗湿热浸淫型痿证,首选方剂是()

A.三痹汤

B.薏苡仁汤

C.茵陈五苓散

D.加味二妙散

E.白虎加桂枝汤

题型:选择题

差分放大器的共模抑制比高,则抗干扰性好。( )

题型:选择题

毛 * * 认为,党风建设的核心问题是坚持()。

A、从群众中来,到群众中去

B、全心全意为人民服务C

C、坚决打击腐败

D、以经济建设为中心

题型:选择题

单元音韵母和复元音韵母在发音时根本区别是:发单元音韵母时(),发复元音韵母时()。

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