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【多选题】

磁铁的性质具有()性质。

A.
磁铁会吸引铁等金属
B.
磁铁有两个磁极
C.
磁铁能指示南北方向
D.
磁铁同极相互排斥
E.
磁铁异极相互吸引
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题目标签:磁铁
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参考解析:
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【单选题】Questions 57 to 61 are based on the following passage. Within fifteen years Britain and other nations should be well on with the building of huge industrial architectures for the recycling of waste. T...

A.
attempts to find efficient ways of recycling wastes
B.
efforts to protect the environment in British cities
C.
a good way to locate plants for waste recycling
D.
a cheap way to get energy from waste materials

【单选题】Questions 57 to 61 are based on the following passage. Within fifteen years Britain and other nations should be well on with the building of huge industrial architectures for the recycling of waste. T...

A.
The issue of rubbish-dealing can not be completely solved.
B.
Recycling plants will be in great need in rural areas.
C.
The plants can process a wide variety of materials.
D.
Effective ways of sorting out rubbish have long been in existence.

【单选题】永久磁铁的磁通是()。

A.
随时间变化的
B.
不随时间变化的
C.
随温度变化的
D.
随环境变化

【单选题】名词翻译:磁铁

A.
calendar
B.
magnet
C.
landmark
D.
fat