已知集合 A={x∈Z|﹣ 3<x<5}, B={y|y=2x, x∈A}, 则 A∩ B 的元素个数为()

已知集合 A={x∈Z|﹣ 3<x<5}, B={y|y=2x, x∈A}, 则 A∩ B 的元素个数为()

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Alice can sing some English songs, _______ she can’t play the guitar.

Alice can sing some English songs, _______ she can’t play the guitar.

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—Michael, shall we go hiking in the mountains next Sunday?—OK, ________it rains

—Michael, shall we go hiking in the mountains next Sunday?—OK, ________it rains heavily.

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You’d better tidy up your room ________ your father comes back.

You’d better tidy up your room ________ your father comes back.

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_____ the outbreak of COVID-19 is a terrible blow to the country, the government

_____ the outbreak of COVID-19 is a terrible blow to the country, the government is trying hard to b

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