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【判断题】
当线圈加以直流电时，其感抗为零，线圈相当于“短路”。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
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【单选题】下列不属于幼儿园环境的作用的是?
A.
幼儿园环境能够促进幼儿书写能力的发展
B.
幼儿园环境能够促进幼儿的审美发展
C.
幼儿园环境能够促进幼儿的认知发展
D.
幼儿园环境能够促进幼儿的社会性发展
【单选题】Which one of the following cohesive devices are NOT used in the sentences “Electricity is a convenient form of energy. It is well known that when fuels such as coal, oil and gas are burned, energy is...
A.
reference
B.
substitute
C.
conjunction
D.
ellipses
【单选题】0210B04 任意一个由二进制位串组成的代码都可以和一个系数仅为‘0’和‘1’取值的多项式一一对应。则二进制代码10011对应的多项式为( )。
A.
x5+x4+x2+ 1
B.
x4+x+ 1
C.
x4+x3+x2
D.
x4+x2+ 1
【简答题】硬脊膜与脊髓蛛网膜之间的潜在性间隙是____,脊髓蛛网膜与软脊膜之间的间隙是____ 。
【简答题】Scientists have long believed one way to stop the Earth’s atmosphere from warming is by planting more trees. The idea is that more trees will take in or absorb some of the carbon dioxide in the atmosp...
【简答题】A gas released as a metabolic product of catabolism is .
【单选题】Scientists have long believed one way to stop the Earth' s atmosphere from warming is by planting more trees. The idea is that more trees will take in or absorb stone of the carbon dioxide in the atmo...
A.
Introduce some new ideas about the relationship between trees and carbon dioxide.
B.
Introduce recent condition of global industrial pollution.
C.
Call on people to plant more trees to reduce greenhouse gases.
D.
Point out that power companies should be responsible for the rising levels of carbon dioxide.
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