单选题：A hundred years ago many kids died at an early age．

题目内容：

A hundred years ago many kids died at an early age． A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

I rarely wear a raincoat because I spend most of my time in

I rarely wear a raincoat because I spend most of my time in a car．A．normally B．c

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感潮河口的水文调查除与河流相同的内容外，还有（　）。A．感潮河段的范围 B．横断面的形状与水面坡度C．河潮间隙 D．潮差和历时

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