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【单选题】
凡是变量值的连乘积等于总比率或总速度的现象,要计算其平均比率或平均速度都可以采用()A.
算术平均数
B.
调和平均数
C.
几何平均数
D.
中位数法
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皮皮学刷刷变学霸
举一反三
【单选题】Which is the longest river in England?
A.
The Thames
B.
The Severn
C.
The Clyde
D.
The Ness
【单选题】Which is the longest river in the UK?
A.
River Severn
B.
River Thames
C.
Loch Ness
D.
The Great Lakes
【单选题】Which is the longest river in the Great Britain?
A.
Lough Neagh
B.
River Thames
C.
River Clyde
D.
River Severn
【单选题】Which is the longest river in the world ?
A.
The Yangtze Rive
B.
The Amazon
C.
The Nile River
D.
The Rhine River
【单选题】Which is the longest river in the world?
A.
The Yellow River
B.
The Amazon River
C.
The Nile
D.
The Yangtze River
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