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【单选题】
海啸是一种灾难性的海浪，通常由（）引起。
A.
震源在海底10公里以内、里氏震级8以上的海底地震
B.
震源在海底10公里以内、里氏震级7.5以上的海底地震
C.
震源在海底50公里以内、里氏震级6.5以上的海底地震
D.
震源在海底50公里以内、里氏震级8以上的海底地震
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The tsunami (海啸)______over 160, 000 people were killed was a terrible dis-aster for human beings.
A.
of that
B.
among which
C.
during that
D.
in which
【单选题】The money collected should be made good use _______ the people in South Asia who suffered a lot in the killer earthquake and tsunami(海啸).
A.
of helping
B.
to help
C.
to helping
D.
of to help