题目内容

【题目】读我国台湾岛位位置示意及台湾岛某地等高线图,完成下列各题。

【1】台湾岛主要的自然灾害是

A台风、地震 B雪灾、洪涝

C寒潮、泥石流 D干旱、滑坡

【2】图中河流干流的流向大致是

A向东 B向西

C向南 D向北

【3】若在该区域修建一水库,大坝位置最好选择在

A B C D

【4】甲、乙、丙、丁四地,最可能形成较大聚落的是

A B C D

【答案】

【1】A

【2】B

【3】B

【4】A

【解析】

试题分析:

【1】大致来说,台湾地区的自然灾害可区分成气象灾害和地质灾害两大类气象灾害主要有台风、异常降水、干旱、寒潮等;地质灾害则包括地震、山崩和地盘下陷等。其中台风和地震是台湾省容易遭受的自然灾害,故本题选A。

【2】地图上定向的方法很多,对于一般地图,通常是面对地图上北下南,左西右东;有指向标的地图,根据指向标定向,一般来说,指向标箭头指向北方;有经纬网的地图,根据经线指示南北方向,纬线指示东西方向来确定方向,据指向标图可知:图中河流干流的流向大致是向西,故本题选B。

【3】 据图可知:图中处位于盆地的出口,两山脊之间蓄水量大且便于建水坝,工程量小,易于施工,适宜于修建水库,故本题选B。

【4】 聚落多分布在气候适宜,地形平坦,水源充足,交通便利的地方。据图可知:甲聚落位于河流交汇处,地势平坦开阔,交通便利,水资源丰富,最有可能优先发展为较大的聚落,故本题选A。

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【题目】

Earth's atmosphere (大气) is made of the layers of air that is around Earth. Thanks to the O2 found in the atmosphere, humans and other animals can breathe.

The atmosphere has four layers. The closest layer to Earth is the troposphere. The troposphere reaches from Earth to about 8 to 15 kilometers above sea level (平面).

It includes most of the air and O2 in the atmosphere, so all life on Earth lives here. The closer to the ground, the warmer the air is. Higher up in the troposphere, the air becomes much colder.

The second layer of the atmosphere is the stratosphere. The stratosphere reaches to around 50 kilometers above Earth. Near the top of the stratosphere is the ozone layer (丑氧层). The ozone layer helps protect life on Earth from the sun's UV radiation. Unluckily, there are holes in several parts of the ozone layer. This could cause serious problems for life on Earth.

The third layer of the atmosphere is the mesosphere. It reaches up to around 80 kilometers above Earth. The mesosphere has the coldest temperature in the atmosphere, It can be as cold as -100℃ there.

The fourth layer is called the thermosphere. It reaches up to around 600 kilometers above Earth. This is where outer space begins. The international space station runs around the planet from this layer. The temperature here is very high. It gets up to 1,200℃.

1The troposphere goes up to around ____________ above the Earth.

A. 8-15 kilometersB. 50 kilometersC. 80 kilometersD. 600 kilometers

2The ______________ is the coldest layer in the atmosphere.

A. troposphereB. stratosphereC. mesosphereD. themosphere

3According to the passage, which of the following statements is TRUE?

A. In the troposphere, the closer to the ground, the colder the air is.

B. The ozone layer could cause problems for life on Earth.

C. Outer space begins from the mesosphere.

D. The temperature in the thermosphere can be 1200℃.

4Which of the following shows the structure (结构) of the passage? (P: Paragraph)

A. B. C. D.

5________________ may be the best title of the passage.

A. What Makes up the AtmosphereB. Where Is the Atmosphere

C. The Distance of the AtmosphereD. The Temperature of the Atmosphere

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