题目内容

Our class _______ of thirty-two boys and twenty-three girls.
A．composesB．concludesC．consistsD．contains
C 

试题分析：考查动词搭配：句意：我们班由2个男生和23个女生组成。由…组成“consist of”， A. composes作曲，组成（be composed of）B. concludes 总结，D. contains包含，不和of搭配，选C。
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课文内容填空：
By chance I_____小题1:______ an article about a doctor called Lin Qiaozhi, a specialist in women’s diseases. She lived from 1901 to 1983. ______小题2:____ she had been very busy in her chosen career, traveling abroad to study __小题3:______ writing books and articles. One of them ___小题4:____.... I looked carefully at the text and realized that it ____小题5:_______women in the countryside. Perhaps if they had an emergency they could not________小题6:___.
A professor of environmental health and his students began studying the idea of rooftop gardening for cities. “I think vertical farming is an idea that can work in a big way,” said Despommier.
Why would we want to build skyscrapers filled with vegetables when we’ve been farming on the ground for 10,000 years? Because as the world’s population grows—from 7 billion now to as much as 9 billion by 2050—we could run out of productive soil and water. Most of the population growth will occur in cities that can’t easily feed themselves. And the fact is that modern agriculture as well as everything associated with it – chemical fertilizers and transportation full of carbon—is a significant contributor to climate change, and suddenly vertical farming doesn’t seem so magic in the sky.
“Vertical farming could allow food to be grown locally and sustainably,” says Glen Kertz, CEO of Valcent. The result saves space — vital in urban areas — and allows farmers to irrigate and fertilize with far less waste.
At Valcent’s El Paso lab, crops grow in rows on conveyor belts. Moving them gives the plants the precise amount of light and nutrients needed, letting them grow 15 times as much vegetable as on a normal farm with 5% of the water that traditional agriculture does.
Despommier plans to build a 30-story, city-block-size vertical farm that would have transparent walls to maximize sunlight and would produce enough food for 50, 000 people. But it would cost hundreds of millions to build a full-scale skyscraper farm. That’s the main drawback: construction and energy costs would probably make vertically raised food more costly than traditional crops.
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Who would you rather ______ with the teacher about the problem?
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A．difficultyB．troublesC．problemsD．question

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