人体铁缺乏可分为三个渐进的阶段，血红蛋白浓度降低发生在哪个阶段（）。 A.第一阶段

Read the match.

            A

(     )1. What day is today?

(     )2. Can you use a computer?

(     )3. Whose gloves are they?

(     )4. What can you do ?

(     )5. Are these socks yours?

(     )6. When do you have Art ? 

           B

A. I can play cards.     

B. Yes . they are mine. 

C. Yes . I can.       

D. On Tuesday and Friday. 

E. It's Saturday.     

F. It's my aunt's.

我国旅游资源的本质特征为（）。

A.开发潜力大

B.特色各异

C.观光型产品为主

D.对游客具有吸引力

以下哪个谓迷惑人之义（）

A.诡言神授

B.甘言悦听

C.巧语诳人

D.信其利口

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