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问题 选择题

已知代数式x+2y的值是5，则代数式2x+4y+1的值是（　　）

A．6

B．7

C．11

D．12

答案

∵x+2y=5，

∴2x+4y=10，

则2x+4y+1=10+1=11．

故选C

补全对话，情景问答

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__ 
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单项选择题

男性，35岁。因蛋白尿待查入院，24小时尿蛋白定量3.8g，血白蛋白30g/L，肾活检示：轻度系膜增生性肾炎。该患者最不易出现的并发症是（）

A.感染

B.肾静脉血栓形成

C.急性肾衰竭

D.中风

E.蛋白营养不良
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