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【单选题】
磁团聚现象发生后，可以()。
A.
提高精矿品位
B.
降低精矿杂质
C.
提高金属收率
D.
提高尾矿品位
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【单选题】中国春节的习俗是全家团聚。
A.
It’s customary to have a family reunion in spring festival in China.
B.
It’s customary to have a family reunion on Spring Festival in China.
C.
It’s customary to have a family reunion in Spring Festival in China.
D.
There’s customary to have a family reunion on Spring Festival in China.
相关题目：
【单选题】中国春节的习俗是全家团聚。
A.
It’s customary to have a family reunion in spring festival in China.
B.
It’s customary to have a family reunion on Spring Festival in China.
C.
It’s customary to have a family reunion in Spring Festival in China.
D.
There’s customary to have a family reunion on Spring Festival in China.
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