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【单选题】

三叶虫大概在什么时候灭绝?()

A.
二叠纪末
B.
三叠纪
C.
泥盆纪
D.
石炭纪
题目标签:灭绝时候
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参考答案:
参考解析:
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【单选题】Many people feel that human beings are responsible for the disappearance of some other animal species. While we may have hastened the disappearance of some, abundant evidence suggests mankind has had ...

A.
Human beings have hastened the disappearance of some.
B.
There was mass extinction long before humanity's time on Earth.
C.
Human beings'activities have had great impact on the earth.
D.
Many species have extinct since the human race came into being.

【单选题】T304定时器在()的时候启动。

A.
收到RRCConnectionReconfiguratio
B.
收到收到ReceptionofRRCConnectionReject
C.
发送RRCConnectionRequest
D.
收到RRCHandoverFailure