题目内容

Recycling helps our environments and animals by slowing the amount of old waste that we create but just how effective that is still up for debate.

A. 对
B. 错

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I used to wear trendy gear but it just ________________.

A. was ridiculous
B. is ridiculous
C. look ridiculous
D. looked ridiculous

Now they are ________________ razors.

A. producingthrowaway
B. produced throwaway
C. product throwaway
D. producingthrow away

I personally think this is __________________.

A. completely garbage
B. complete garbage
C. completing garbage
D. complete garbages

在北半球,若两点间的大圆始航向为270º,则恒向线航向:

A. 大于270º
B. 等于270º
C. 小于270º
D. 不一定