The underlined word “hacker” (Para.1) most probably means “_

The underlined word “hacker” (Para.1) most probably means “________ ”A.highly re

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回答题:Growing cooperation among branches of tourism has proved

回答题:Growing cooperation among branches of tourism has proved valuable to all co

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According to the passage, it may soon be possible________

According to the passage, it may soon be possible________A.to make something as

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Compared to common electrical conductors, superconductors___

Compared to common electrical conductors, superconductors________A.have little o

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