题目内容

【题目】读下列四种地貌景观图,回答下题。

1

A. ①② B. ③④ C. ①③ D. ②④

2

A. ① B. ② C. ③ D. ④

3

A. 青藏高原、东欧平原、云贵高原、新西兰北岛

B. 云贵高原、渭河平原、准噶尔盆地、夏威夷群岛

C. 喀斯特高原、东非大裂谷、黄土高原、亚平宁半岛

D. 云贵高原、河西走廊、山东半岛、台湾岛

【答案】

1D

2A

3B

【解析】试题分析:

1】图是流水侵蚀形成的喀斯特地貌;图是地壳运动形成的断层;图是风力侵蚀形成的风蚀蘑菇;图是地壳运动形成的火山。内力作用是②④。选D正确。

2】图是流水侵蚀形成的喀斯特地貌;石灰岩地区,由于高温多雨的环境,石灰岩中的可溶性物质溶于水中,形成溶洞等。选A正确。

3】图示喀斯特地貌主要分布在喀斯特高原、云贵高原;图示断层地貌有渭河平原、东非大裂谷、河西走廊;图示风蚀蘑菇主要分布在准噶尔盆地、河西走廊;图示火山分布在新西兰北岛、夏威夷群岛、台湾岛、东非大裂谷。选B正确。

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【题目】【2015·陕西】C

The production of coffee beans is a huge, profitable business, but, unfortunately, full-sun production is taking over the industry and bringing about a lot of damage. The change in how coffee is grown from shade-grown production to full-sun production endangers the very existence of, certain animals and birds, and even disturbs the world’s ecological balance.

On a local level, the damage of the forest required by full-sun fields affects the area’s birds and animals. The shade of the forest trees provides a home for birds and other special(物种) that depend on the trees’ flowers and fruits. Full-sun coffee growers destroy this forest home. As a result, many special are quickly dying out.

On a more global level, the destruction of the rainforest for full-sun coffee fields also threatens(威胁)human life. Medical research often makes use of the forests' plant and animal life, and the destruction of such species could prevent researchers from finding cures for certain diseases. In addition, new coffee-growing techniques are poisoning the water locally, and eventually the world's groundwater.

Both locally and globally, the continued spread of full-sun coffee plantations (种植园)could mean the destruction of the rainforest ecology. The loss of shade trees is already causing a slight change in the world's climate, and studies show that loss of oxygen-giving trees also leads to air pollution and global warming. Moreover, the new growing techniques are contributing to acidic(酸性的) soil conditions.

It is obvious that the way much coffee is grown affects many aspects many aspects of life, from the local environment to the global ecology. But consumers do have a choice. They can purchase shade-grown coffee whenever possible, although at a higher cost. The future health of the planet and mankind is surely worth more than an inexpensive cup of coffee.

1What can we learn about full-sun coffee production from Paragraph 4?

A. It limits the spread of new growing techniques.

B. It leads to air pollution and global warming.

C. It slows down the loss of shade trees.

D. It improves local soil conditions.

2The purpose of the text is to .

A. entertain B. advertise C. instruct D. persuade

3Where does this text probably come from ?

A. An agricultural magazine.

B. A medical journal.

C. An engineering textbook.

D. A tourist guide.

4Which of the following shows the structure of the whole text?

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