一般哪类药材需要进行酸败度检查A．含油脂类的种子类药材 B．含淀粉的种子类药材 C．

若直角三角形的三边长分别为2，4，x，则x的可能值有[ ]

A.1个    

B.2个    

C.3个    

D.4个

在对话空白处填入一个适当的话语。使对话完整并正确。

Woman: (1) _____________

Girl: Yes, I want a shirt, please.

Woman: Do you like the white one?

Girl: (2) _____________. That yellow one looks nice.

Woman: Yes. Please try it on.

Girl: Oh, (3) _____________. Could you give me a short one?

Woman: Certainly. Here you are.

Girl: Good. This is nice. (4)_____________?

Woman: 55 dollars.

Girl: Here's the money.

Woman: (5) _____________.

老年性痴呆的确诊需

A．脑MRI

B．脑CT

C．神经心理检查

D．基因检查

E．尸体解剖

某公司在产地报关出口一批货物(检验检疫类别为M/N)，《出境货物报检单》中“需要证单名称”一栏应选填( )。

A．装箱单

B．动物卫生证书

C．出境货物换证凭单

D．通关单

依法签订劳动合同是维护劳动者合法权益的重要依据。 [ ]