搜题
王老师:19139051760(拨打)
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第1题

1. The underlined word “longevity” in the second paragraph probably refers to “________”.
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第2题

This passage is mainly about “________”.
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第3题

7. It’s good for children to ________ on the Internet.
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第4题

If you want a true friend on the Internet , you can ____________
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