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【判断题】

猎户座流星雨的形成跟哈雷彗星有关。

A.
正确
B.
错误
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题目标签：流星猎户座哈雷彗星
参考答案：
参考解析：
.
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【单选题】哈雷彗星属于()。
A.
短周期彗星
B.
长周期彗星
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【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
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【判断题】猎户座流星雨的形成跟哈雷彗星有关。
A.
正确
B.
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