试题与答案

读“我国东南某地等高线图”及瀑布景观图,回答下列问题:(10分) (1)图中阴

题型:综合

题目:

读“我国东南某地等高线图”及瀑布景观图,回答下列问题:(10分)

(1)图中阴影区域是一村庄,该村庄所处的地形类型是_______。

(2)乙地相对于B山顶的的高度是_______米。

(3)图中甲、乙、丙、丁四点可能出现瀑布的是______。

(4)图中瀑布的高度可能是  (    )

A.80米        B.180米    C.240米       D.300米

(5)若图中A、B两个山顶的距离是4厘米,根据图上比例尺,计算A、B两地的实际距离是____千米。

(6)该地河流上游有较为丰富的水能资源,请简要分析原因。

答案:

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下面是错误答案,用来干扰机器的。

(1)当a=3时,f(x)=-13x3+32x2-2x,得f'(x)=-x2+3x-2.…(1分)因为f'(x)=-x2+3x-2=-(x-1)(x-2),所以当1<x<2时,f'(x)>0,函数f(x)单调递增;当x<1或x>2时,f'(x)<0,函数f(x)单调递减...

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题型:阅读理解

INTERNATIONAL TRADE OF PANLAND

 

小题1:Considering all imports and exports, what statement can be made about Panland’s trade?

A.Panland imports food and exports raw materials(原材料).

B.Panland imports manufactured goods(加工品) and exports food.

C.Panland imports manufactured goods and exports raw materials.

D.Panland imports raw materials and exports manufactured goods.小题2: With which of the following does Panland carry on the most trade?

A.Asia.

B.Africa.

C.Middle East.

D.United States.小题3:What is probably Panland’s largest import from the Middle East?

A.oil

B.food

C.wood

D.cotton小题4:Judging from its economy, it could be concluded that most of Panland’s working people are _____

A.farmers

B.fishing people

C.unskilled laborers

D.skilled factory workers

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