为了计算和读图的方便,凡是高程能被5倍基本等高距整除的等高线加粗描绘并注记高程的等高线称为()
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比例尺越大,等高距就越小;比例尺越小,等高距就越大。
A. 对
B. 错
按四分之一基本等高距描绘等高线,称为助曲线
A. 对
B. 错
The manager requests that the material( )by fax immediately.
A. be sent
B. sends
C. is sent
D. sent
I would rather you( )on Monday.
A. had gone
B. go
C. will go
D. went