下列水电站的布置形式中，( )常建于河流中、下游，一般为低水

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问题单项选择题

下列水电站的布置形式中，( )常建于河流中、下游，一般为低水头、大流量的水电站。

A．坝式水电站
B．河床式水电站
C．引水式水电站
D．坡式水电站

答案

参考答案：B

句型转换

1. There was a big house. There were ten rooms in it.（合并为一句）

There was a big house in it.

2.There were two stores in the town last year.（对画线部分提问）

Stores there in the town last year?

3．They were at school last Sunday.（改为否定句）

They at school last Sunday.

4．What's the lady's name?（改为同义句）

What's the lady?

单项选择题

教育生物起源说的主要代表人物是英国教育学家( )

A．沛西·能

B．孟禄

C．高尔顿

D．达尔文