你可能感興趣的試題

A tide is called diurnal when（）.

A.only one high and one low water occur during a lunar day
B.the high tide is higher and the low tide is lower than usual
C.the high tide and low tide are exactly six hours apart
D.two high tides occur during a lunar day

單項(xiàng)選擇題

A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)（）.

A.hydraulic current
B.rectilinear current
C.rotary current
D.harmonic current

感谢您访问我们的网站，您可能还对以下资源感兴趣：

精品伊人久久大香线蕉男人的天堂

国产午夜精品福利久久无遮挡h纯内动漫在线观看国产偷窥盗摄网站国产亚洲精品无码颜射老妇