关于ISO9001和ISO9004的说法，正确的有（）。 A.ISO9001的主要内

We walked along the beach with the cool wind _____ against our cheeks. [ ]

A. to blow

B. blowing

C. blown

D. to be blown

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__ 

患者男，65岁。便秘病史2年，经诊断为原发性便秘，该患者便秘是由于（）

A.肠易激综合征

B.直肠炎

C.糖尿病

D.服用抗抑郁药

E.子宫肌瘤

简述两种钩虫成虫鉴别要点。

当循环离心压缩机转速不变，循环氢流量指示变大，说明循环氢纯度在（）

A、上升

B、下降

C、不变

D、关系难以确定