题目内容

青绿色食物的作用，一是助肝排毒，二是。

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《本草纲目》称为“蔬中最有益者”，含有多种维生素和矿物质。

Where are these factories?

A. UK.
B. the U.S.
C. Italy
D. Germany

Over the next 10 years, we're putting ________ to work.

A. $150 billion
B. $250 billion
C. $350 million
D. $450 million

“Loop” or "Spur" don't have a difference on the road sign.

A. 对
B. 错