急求解析the()of the seasons has long been observed by people in all parts of the worldThe _____ of the seasons has long been observed by people in all parts of the world.A) rhythmB) regulationC) clickD) identity请问为什么选A,而不选B呢?

the heavy seas 禁忌 TABU A STORY OF THE SOUTH SEAS怎么样 高中英语必修3 unit4 the oceans and seas完整句：the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.the oceans and seas.两次都是不可数,为什么还加S? the mediterranean is alrealy one of the most polluton seas on earth翻译,谢 THE 35TH OF MAY OR CONRADS RIDE TO THE SOUTH SEAS怎么样 同义句改写:This will cause the level of seas to rise. the seas will be rough的含义 we can find water in the seas. the seas will be rough的含义 Do you know what cause the level of the seas 是to rise 还是to raise?为什么 since water covers much of the earth ,he knew we should keep the seas clean.为什么用knew 请问on the high seas是什么意思.请问一下“on the high seas”是一个词组吗? 求翻译A captain who knows his ship should rule the seas against the under-gunned Allied equivalent 跪求首字母填空:Water is the life of our earth.Water is the life of our earth.It’s n_____for us.It makes up the l_____ part of the human body.It covers most parts of the earth.It’s in lakes,rivers,seas and oceans.We can swim in lakes or riv 急求解析Which of the following sentences is correct?A.In the teacher came B.In did come the teacher C.In did the teacher come D.in came the teacher应该选哪个,为什么是错的! the first of the seas to fall victim to the abilities and attitudes that evolved around it.这一句具体如何理解、翻译. by the light of the lighting求翻译,急 the smell of the 急