Over the past decades, sea ice ______in the Arctic as a result of global warming.
A. had decreased B. decreased
C. has been decreasing D. is decreasing
高一英语单项填空简单题
Over the past decades, sea ice ______in the Arctic as a result of global warming.
A. had decreased B. decreased
C. has been decreasing D. is decreasing
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Over the past decades, sea ice_______ in the Arctic as a result of global warming.
A. had decreased B. decreased
C. has been decreasing D. is decreasing
高一英语单项填空简单题查看答案及解析
Shopping habits in America have changed a lot over the past few decades. Early __1.__ the 1900s most American towns and cities had a Main Street. Main Street was always in __2.__ heart of a town. This street was built with many stores on both sides. Shoppers walked into the stores to look _3.__ what they needed. _4.__, a change began to take place in the 1950s. Too many cars had crowded into Main Street while too __5. parking places were available(可用的) to shoppers. __6._ the streets were crowded, shop owners began ___7.__ look with interest at the open space from the city limits. When the first shopping center was built in the United States, an open space became __8.___ they first had considered.
高一英语语法填空中等难度题查看答案及解析
Over the past decades, China _______ significantly under the correct leadership of the CPC, he said. The CPC's 18th National Congress will exert great influences on China's future and Africa highly expects of China's further growth.
A. changed B. is changing C. had changed D. has changed
高一英语单项填空中等难度题查看答案及解析
______ we know, the air quality in the city has improved over the past two years.
A. That B. As C. What D. It
高一英语单项填空中等难度题查看答案及解析
Liu Xiang had worked hard . ________， he won the first prize in the 28th Olympic Games.
A．As the result B．As a result C．As a result of D．However
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I'm glad to see the rapid progress ______in science and technology in the past decade.
A .to make B.making C.made D.having made
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It is estimated that the number of tourists who travel abroad ______ in the past decade.
A.have doubled B.have been double
C.have been doubled D.has doubled
高一英语单项填空中等难度题查看答案及解析
Over the last three decades, the number of people participating in physical fitness programs ________ sharply.
A. was increasing B. has increased
C. had increased D. will be increasing
高一英语单项填空中等难度题查看答案及解析
Over the last two decades (十年), the Earth has seen an increase in vegetation (植被) and China and India are leading the increase in greening on land. The result comes mostly from tree planting programs in China and intensive agriculture(集约农业) in both countries.
Researchers from Boston University found that global green area has increased by 5% since the early 2000s, an area equal to the size of Amazon rainforest. Among the increased area, China and India contribute to about 33%, especially China, with 25% itself. China’s great contribution came mostly from its programs to protect and expand forests, which is about 42%. These programs were developed in an effort to reduce the effect of desertification, air pollution and climate change.
Another 32% of the greening change in China, and 82% in India, resulted from intensive agriculture of food crops. The land area used to grow crops in China and India has not changed much since the early 2000s. Yet both countries have greatly increased the total green area and food production in order to feed large populations. The lead author Chi Chen of Boston University said,
“That is a surprising finding, since it is generally believed that land degradation(退化) in populous countries is usually more serious.”
Rama Nemani, a research scientist at NASA’s Ames Research Center, saw a positive message in the new findings. “Once people realize there is a problem, they tend to fix it,” However, the researchers rang bells as well. They pointed out that the gain did not necessarily fill up the loss of natural vegetation in tropical regions like Brazil and Indonesia.
1.What’s the first paragraph mainly about?
A.The earth is becoming a green land.
B.China and India are forest countries.
C.China and India matter in greening the Earth.
D.China and India develop intensive agriculture well.
2.Why is Amazon rainforest mentioned in Paragraph 2?
A.To show its importance to the planet.
B.To call on people to protect rainforests.
C.To clearly show the increased green area.
D.To be evidence of the lost natural vegetation.
3.What benefits can China’s tree planting programs bring?
① Reducing air pollution.
② Increasing rich land for crops.
③ Helping with climate control.
④ Controlling the desertification.
A.①②③ B.①③④
C.①②④ D.②③④
4.What can we infer from the last paragraph?
A.Brazil and Indonesia do not protect their forests.
B.The findings discouraged belief of a green world.
C.Humans are creative enough to solve all problems.
D.More efforts are needed to protect natural vegetation.
5.Where does the text probably come from?
A.A newspaper. B.A travel brochure.
C.An interview. D.A geography textbook.
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