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Science

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General Science 共4040题

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单选题

A line of thunderstoms that can form along or ahead of a cold front is known as which of the followi...

Normal MiddleSchool

12

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问答题

The SNO experiment uses heavy water in order to detect what particles emitted by the sun?

Normal MiddleSchool

6

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问答题

What is the SI unit for luminosity [loo-min-AW-sih-tee]?

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3

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单选题

Which of the following most contributes to marine pollution?

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3

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单选题

A team of physicists and engineers at DOE’s Brookhaven National Laboratory has tested a 20-ton cylin...

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2

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单选题

Which of the following sources provides the most water for drinking and industrial purposes in the U...

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2

0

问答题

Most extremophiles are placed into what biological domain?

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0

0

问答题

Titan is Saturn's satellite and shares similarities with Earth. However, it may become depressi...

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0

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单选题

Territorial waters are defined as extending how many nautical miles from a shoreline?

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2

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问答题

Maria went shopping in two stores with her birthday gift money. In the first store, she spent two-th...

Normal MiddleSchool

0

0

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