搜题请搜索小程序“爱下问搜题”
问题 单项选择题 共用题干题

二八岁男病人，有急性间歇性血卟啉病，因急性阑尾炎拟行手术治疗。

巴比妥类增加卟吩胆色素原的原因（）。

A.细胞色素P450的诱导作用

B.对神经组织的毒性作用

C.抑制呼吸

D.增加血红蛋白的形成

E.以上均可

答案

参考答案：A

补全对话，情景问答
从方框中选择正确选项，完成下面的对话。（其中有两项多余）
A: Hello, Uncle John!
B: Hello, Bob!        1____You look worried and upset.
A:       2         I really need your help.
B: What do you mean?
A: Well,        3         But now my homework becomes more and more difficult since I am in Grade Three.
     My parents don't allow me to play basketball.
B: Maybe your parents are right.        4          
A: I see.I do well in all my lessons and I think I should be allowed to do the things that I'm interested in.
B: OK.        5         
A: Thank you, Uncle John. It's very kind of you.
A. Work must come first.
B. I'II talk with your parents about the problem.
C. My parents like me to play basketball.
D. What's wrong with you?
E. the problem is that I love basketball.
F. I have a problem.
G. You can ask your parents to buy you a basketball.
查看答案
单项选择题

在建筑物折旧中，被称为无形损耗的是（）。

A.物质折旧

B.经济折旧

C.功能折旧

D.外部性折旧
查看答案