— Why do you want to be a volunteer?
—Because I want to help people ________________.
A. in addition B. in need
C. in a hurry
科目：初中英语 来源：山东省滕州市第一学期期中复习九年级unit 1过关英语试卷 题型：单选题
Please tell me ________.
A. how to do B. what to do C. where to do D. do what
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科目：初中英语 来源：广东省广州市2016-2017学年八年级第二学期期中英语试卷 题型：单选题
I had difficulties__________ the maths problem
A. working out B. work out C. to work out D. works out
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科目：初中英语 来源：宁夏银川市（北塔中学）2018届九年级下学期模拟（一）英语试卷 题型：单选题
The number of the students in the school is about nine_____ , ____of them are boys.
A. thousand; Two thirds B. thousand; Two third
C. thousands; Two thirds D. thousands; Two third
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科目：初中英语 来源：广东省深圳市龙岗区2017-2018学年八年级下学期期中测试英语试卷 题型：阅读单选
From supermarket bags to CDs, man-made waste has become a very serious problem. Recently, scientists may have found an unusual way to solve the problem. They say the waxworm (蜡虫), who eats beeswax as food, also appears to eat polyethylene, one of the strongest kinds of plastic.
Scientists have described the tiny worm’s ability as “very exciting”. Federica is a beekeeper. She put the waxworms into a plastic shopping bag which became full of holes a few minutes later. Then Federica did many more experiments. When 100 waxworms were put into a normal plastic bag, the holes began to appear in just 10 minutes.
According to the scientists, a kind of enzyme (酶) produced by the waxworm is the key. They also say that the waxworm turns the plastic into a different thing. It is used in making a material for cars. It is not clear if (是否) the waxworm can produce a large number of such things. Plastic is not a kind of natural food for the waxworm. “Wax is a kind of natural plastic. It is similar to polyethylene,” Federica said.
Scientists say they still need to know how wax is digested (被消化) in the waxworm. Federica said they would use the result to find a way to make the plastic waste disappear. “But we should not throw plastic bags into the environment, just because we now know how to break them down,” she added.
1.What makes the waxworm special?
A. Feeding on beeswax for a living.
B. Leading to a serious problem.
C. Being a kind of man-made insect.
D. Helping break down a kind of plastic.
2.What do the numbers mentioned in Paragraph 2 mainly show?
A. The waxworm dislikes being put into a shopping bag.
B. The waxworm makes the holes in order to take a breath.
C. The waxworm eats the plastic at an amazing high speed.
D. The waxworm is practising making holes in a plastic bag.
3.What is the relationship (关系) between plastic and the waxworm?
A. The waxworm likes to eat plastic because there is nothing else to eat.
B. The waxworm likes eating plastic because the wax is a kind of natural plastic.
C. People use special experiments to make the waxworm become interested in eating plastic.
D. The plastic is a kind of natural food for the waxworm to eat.
4.What will the scientists study next?
A. How they can make the plastic waste disappear.
B. How wax is different from polyethylene.
C. How wax is digested in the body of the waxworm.
D. How they can ask people not to produce plastic waste.
5.Who may be interested in reading this passage?
A. Insect lovers.
B. Environment protectors.
C. Shopping bag users.
D. Animal keepers.
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科目：初中英语 来源：广东省深圳市龙岗区2017-2018学年八年级下学期期中测试英语试卷 题型：单选题
If you ________________ something, you need it or it is necessary (必需的).
A. enjoy B. express C. require
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科目：初中英语 来源：广东省深圳市龙岗区2017-2018学年八年级下学期期中测试英语试卷 题型：单选题
— Are you sure about the news?
—Yes. I was there and heard it clearly.
A. certain B. comfortable C. excited
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科目：初中英语 来源：四川省成都市2017-2018学年七年级上学期期中测试英语试卷 题型：单选题
— Who are they?
— _________.
A. They are fine.
B. They are their baseballs.
C. They are my cousins.
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科目：初中英语 来源：北京市2018届九年级5月月考英语试卷 题型：单选题
－_______ do you go to the movies?
－Once a month.
A. How much B. How soon C. How long D. How often
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