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问题 单项选择题

致AIDS的病毒是（）

A.流感病毒

B.人类免疫缺陷病毒

C.轮状病毒

D.巨细胞病毒

E.疱疹病毒

答案

参考答案：B

选择题

下列说法正确的是（　　）

A．“对顶角相等”是定义

B．“在直线AB上取一点C”是命题

C．“整体大于部分”是公理

D．“同位角相等”是定理
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补全对话，情景问答
根据对话内容选择合适选项。
A. What does she do?
B. Where does she work?
C. Is the woman your mother?
D. a singer
E. No, I don't.
A: Hello. 1___________
B: Yes, she's my mother.
A: 2___________
B: She's an engineer.
A: 3___________
B: She works in an air-conditioner company. She likes drawing pictures. Do you like drawing pictures?
A: 4___________ I like singing. I want to be 5___________.
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