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问题
单项选择题
铁碳合金状态图上的共析线是（）。
A、ACD
B、ECF
C、PSK
D、GS
答案
参考答案：
C
选择题
Now the world's attention _____ the stocking markets, as they have great influence in the world's economy.
A. is fixing on
B. has fixed on
C. is being fixed on
D. had been fixed on
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问答题
“不是复古而是创新”的资产阶级文化运动是什么？
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