我国风力作用形成的，水土流失严重的高原是_______________，石灰岩广_爱下问搜题

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问题填空题

　　我国风力作用形成的，水土流失严重的高原是_______________，石灰岩广布的高原是_______________，地势最平坦的高原是__________________。

答案

黄土高原云贵高原内蒙古高原

选择题

如果圆柱的侧面展开图形是一个正方形，那么圆柱的底面直径是高的（　　）

阅读理解

Nowadays, more and more villagers have left to make a living in big cities. As a result, their children have become leftover children and they need more care. The survey below is from villages in Yongzhou, Hunan Province. Three hundred children were chosen to answer the questions.

What they want	Love	Money		Freedom	Control		Something else
	40%	18%		28%	10%		4%
Whom to communicate with	Oneself		Family members			No one
	27%		55%			18%
Whether they can communicate with their parents freely	Yes		A little difficult			No
	46%		44%			10%
The way they prefer to live	Living with parents		Living without parents			No idea
	58%		14%			28%
What they think of their parents’ working in cities	Bad		Good			No idea
	20%		39%			41%
Happiest place	School		Home			Friend’s homes
	48%		34%			18%

小题1:
Of all the five needs, the leftover children need _______ most.

小题2:
Which of the following is TRUE according to the passage?

A．About one out of every two children has no one to talk with.

B．All of the children prefer to stay at home without their parents.

C．About 1/3 of the children think their parents’ working in cities is bad.

D．More than half of the children think it good to live with their parents.

小题3:
How many children think their happiest place is their school?

小题4:
We can learn from the survey that _______.

A．most leftover children want more freedom without parents

B．over 40% of the children have difficulty talking to parents freely

C．all the leftover children dream of making money in big

D．most villagers prefer living a peaceful life in the countryside