其营养状况可用红细胞谷胱甘肽还原酶活性系数评价的是（）。 A._爱下问搜题

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问题单项选择题 A1/A2型题

其营养状况可用红细胞谷胱甘肽还原酶活性系数评价的是（）。

A.维生素B₁₂

B.维生素B₁

C.维生素B₆

D.维生素B₂

E.烟酸

答案

参考答案：D

补全对话，情景问答

读对话，根据情景选择合适的语句，补全对话。

A. How can I get to the nearest post office?
B. When are we going to the Summer Palace?
C. What's wrong with you, Jack?
D. What would you like?
E. Where were you last week?

( ) 1.	A: _____________________ B: I have a high fever. I can't go to school today. A: I'm sorry to hear that. Don't worry. I can help you with your lessons.
( ) 2.	A: _____________________ B: I'd like some chicken. What about you, dad? A: I'd like fish and rice.
( ) 3.	A: Excuse me. _____________________ B: Go straight. Turn right at the first crossing. You can see it. A: Thank you.
( ) 4.	A: We are going to visit the Great Wall tomorrow. B: Great! Is it far from here? A: Yes. It's to the north of Beijing. B: _____________________ A: The day after tomorrow.
( ) 5.	A: Hi, Kate. _____________________ B: I went to Xi'an with my parents. A: Did you have a good time? B: Sure.

单项选择题

感烟式火灾探测器用（）进行现场测试

A.烟雾发生器

B.温度加热器

C.在25m内用火光

D.二氧化碳气体