The earth moves up or down is like an ocean wave改错有道理的加分

The earth moves up or down is like an ocean wave改错有道理的加分
The earth moves up or down is like an ocean wave
改错
有道理的加分

The earth moves up or down is like an ocean wave改错有道理的加分
or---and, move up and down是固定搭配,意思是上下移动
祝楼主更上一层楼

is是be动词，like是实意动词，一句话中“一山不能藏二虎”，动词只能有一个，所以应改为The earth moves up or down likes an ocean wave

moves up or down,这部分可以作谓语，也可以作定语。如果作主语，则与后面的is成为并列谓语，中间应该有连词and，所以可以改成下面的两个形式：
The earth moving up and down is like an ocean wave
The earth moves up and down and is like an ocean wave
另： m...

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moves up or down,这部分可以作谓语，也可以作定语。如果作主语，则与后面的is成为并列谓语，中间应该有连词and，所以可以改成下面的两个形式：
The earth moving up and down is like an ocean wave
The earth moves up and down and is like an ocean wave
另： moves up or down，应改为moves up and down

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去掉is吧