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【多选题】
关于地震,以下说法正确的有()
A.
地震是地球内部缓慢积累的能量突然释放引起的地球表层的振动
B.
破坏性地震从人感觉震动到建筑物被破坏平均只有12秒钟
C.
地震发生时如果在一楼或是在平房,应迅速跑到门外空旷处,用被子、枕头、安全帽护住头部
D.
在教室、图书馆、实验室等人群聚集的场所,如果遇到地震,应立即躲在课桌、椅子或坚固物品旁边,一直等到不再有余震。
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举一反三
【单选题】What was the place like where Cather grew up?
A.
It was cold, plain and without a church.
B.
It was vast, open, flat, and wild.
C.
It was like a German Christmas card.
D.
It was a colorful world of wild flowers.
【单选题】有以下程序:
A.
1,2,3,4,5,6,7,8,9,0,
B.
0,9,8,7,6,5,1,2,3,4,
C.
0,9,8,7,6,5,4,3,2,1,
D.
1,2,3,4,9,8,7,6,5,0,
【单选题】Was the weather nice?______,It was cold and windy every day. [     ]
A.
Yes. it is
B.
No, it isn't
C.
Yes, it was
D.
No,  it wasn 't
【单选题】去渍时常用的方法是
A.
喷射法
B.
擦拭法
C.
浸泡法
D.
氧化法
【简答题】设置网店招牌,截图上传。
【单选题】What was the place like where Cather grew up?
A.
It was cold, plain and without a church.
B.
It was a colorful world of wild flowers.
C.
It was like a German Christmas card.
D.
It was vast, open, fiat and wild.
【简答题】1×2×3×4×5×6×7×8×9×0=______.
【判断题】1+2+3+4+5+6+7+8+9×0=0
A.
正确
B.
错误
【单选题】What was the weather like in most of North and South America in 2002?A.It was cold.
A.
What was the weather like in most of North and South America in 2002? A.It was cold.
B.
It was wet.
C.
It was dry.
【单选题】计算9.9×25的简便方法是(  )
A.
9×9×25
B.
(10-1)×25
C.
(10-0.1)×25
D.
4.9×5×25
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