题目内容

国家平面控制网布设在全国范围内的三角测量控制网叫国家级平面控制网它有几个()等级。

A. 两个
B. 三个
C. 四个
D. 五个

查看答案

搜索结果不匹配？点我反馈

更多问题

– What would you like, tea or coffee？ – ().
A: Yes, I would
B: Coffee, please
C: Yes, please
D: It's very nice

– I'd like to know something about your life in Paris. – ().
A: You can tell me
B: I wonder if you can
C: I'll tell you
D: I wonder if you could

– Help yourself to the steak, Maggie. – ().
A: Sorry, I've had enough
B: Thank you, Helen
C: Yes. But it isn't cooked well
D: Help yourself to it, too

– Ami, I want this report typed today. – ().
A: It'll be ready in the afternoon, sir
B: I'd like you to help me
C: I know nothing about the report
D: Leave it to tomorrow