From space the earth looks like a water planet.为什么

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表示运动方向的副词或地点状语置于句首,谓语表示运动的动词.谓语动词常用be, e, go, lie, run jump等.
Out rushed a missile from under the bomber.
Ahead sat an old woman.
Down from the wall jumped a man.
或 Down jumped a man from the wall.
======以下答案可供参考======
供参考答案1:
你问的是不是被动啊?look是系动词,无被动形式,类似的还有taste等,只能是尝起来,而不是被尝起来.