【题目】The girl has a great interest in sports and ___ badminton classes twice a week over the past 2 years.
A. takes B. took
C. is taking D. has been taking
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单元加期末复习先锋大考卷系列答案科目：高中英语 来源： 题型：
【题目】A green roof is a roof of a building that is covered with vegetation over a waterproof membrane (防水膜). It is a proper method of growing plants on the roof and does not refer to the mere green color of the roof. People benefit a lot from these green roofing systems, and they are gaining popularity day by day.
Human beings have occupied major areas of land and transformed them into huge buildings, which has severely affected the environment and the natural habitat of bird and insects. Green roofing compensates for that. It creates a natural habitat for creatures like bees, grasshoppers and other insects.
Modern roofs need a lot of energy to control the temperatures in winter and summer. However, green roofs reduce the amount of energy required for controlling temperatures, thus making them energy-efficient. As green roofing is highly energy-efficient, it can act as a encouragement for people who are interested in green roofing systems and their benefits. It will increase the market value of the building and fetch the owner a great share of profit.
As the vegetation requires a water supply, there is a inbuilt water preservation layer in the green roof system. This layer helps to keep the rainwater. It makes full use of the rainwater and prevents wastage. During heavy rains, the water runs off the flat roof. The green roof prevents this overflow by slowing down the volume of running water.
Green roofs can compensate for the lost greenery in urban areas and increase the artistic value of an area. Your building will look beautiful, coated with green vegetation. Green roofs can serve as local community garden and create a natural atmosphere, giving physical and psychological benefits like reducing stress levels in people and keeping them physically fit. Besides, people can start their own small-scale cultivation (栽培)and experience the pleasure
of gardening.
【1】What do we know about a green roof?
A. It is painted green for a specific purpose
B. It uses solar energy to produce electricity
C. it is designed for kids to enjoy themselves
D. it is covered with grass, flowers or other plants
【2】Mr. Black who owns two buildings is interested in the green roofing system probably because_____.
A. it can solve the problem of air pollution
B. it produces more energy to power the buildings
C. it creates natural habitats for birds and insects
D. it can save him spending a lot of money on energy
【3】How do the plants on green roofs get watered?
A .Rainwater is often kept in the green roof system for later use
B. They mainly make use of the wasted water in people’s lives
C .The plants on green roofs usually need little water
D .People have to water the plants from time to time
【4】According to the last paragraph, a green roof is a place _____.
A. where people can get close to nature
B. where people can relax and enjoy gardening
C. where people can hold all kinds of activities
D. where people can stay away from the city life
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科目：高中英语 来源： 题型：
【题目】Since the general retired from the army, he __________ himself in writing his memories.
A. is devoting B. has been devoted
C. had occupied D. has been occupying
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【题目】You might ____________________ if you had been more careful then. (成功)
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【题目】假如你是星海中学的李华。你打算高三毕业后去美国留学，想咨询你的美国笔友Mike，请你根据以下提示写一封信。
1.目的：增长见识，体验文化； 2.困惑：语言障碍，学业压力； 3.征求建议。
注意：1.词数不少于80 2.可以适当增加细节，以使行文连贯。 3.开头和结尾已给出，不计入总次数。
Dear Mike,
yours,
Li Hua
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科目：高中英语 来源： 题型：
【题目】The how-to book is of great help to ____ wants to apply for the job.
A. who B. whoever
C. no matter who D. whomever
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【题目】Because they didn't want to cause any trouble, they chose to keep silent.
__________ __________ to cause any trouble, they chose to keep silent.
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科目：高中英语 来源： 题型：
【题目】Barker refused to answer more questions，__________ that he had already said too much.
A. adding
B. added
C. added to
D. added up
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