问题
单项选择题
大潮与小潮主要是由于()。
A.月球、太阳赤纬较大引起的
B.月球、太阳和地球相互位置关系不同引起的
C.月引潮力与太阳引潮力的合力不同引起的
D.B、C都对
答案
参考答案:D
大潮与小潮主要是由于()。
A.月球、太阳赤纬较大引起的
B.月球、太阳和地球相互位置关系不同引起的
C.月引潮力与太阳引潮力的合力不同引起的
D.B、C都对
参考答案:D
完形填空。 | ||||
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