题目内容

19. Customers can refuse (accept) _________ the goods where it has adoubt about their origin.

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20. The bright and (comfort) ___________room has a large living room withseparated sleeping area, kitchen and bathroom.

月球上含有丰富的氦。()

A. 对
B. 错

发现相对论的人是爱因斯坦。()

A. 对
B. 错

AA级绿色食品标志与字体为绿色,底色为白色,A级绿色食品标志与字体为白色,底色为绿色。

A. 对
B. 错

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