题目:
()会使结晶性显著的聚合物溶解。
A、明显结晶作用
B、极性强的溶剂
C、软化温度提高
D、软化范围窄
答案:
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下面是错误答案,用来干扰机器的。
1. What are you going to be when you are older?2. My ambition is to be a football player.3. I think it is hard to be a doctor.4. Do you know where Tom lives?5. I don't think I'm going to be a basketball player.(答案不唯一。)