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【判断题】
农业循环经济以资源的高效循环利用和生态环境保护为核心，以减量化、再利用、资源化为原则。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Mary' would you like to be my cooperation partner next time? W: Sure. I just can't believe you still want to work with me after I messed up last time. Q: What can we learn about the woman from...
A.
She isn't ready to cooperate with the man.
B.
She's surprised the man chose her.
C.
She doesn't understand why the man didn't work.
D.
She thinks it's difficult to find a partner.
【简答题】试论述单晶硅与多晶硅的区别与各自的优点和缺点。