问题
填空题
通过书中的实验探究“固体熔化时温度的变化规律”可得出晶体熔化的条件是______和______.
答案
晶体要熔化,首先温度要达到熔点,达到熔点后还要继续吸热才能熔化.
故本题答案为:温度达到熔点;继续吸热
通过书中的实验探究“固体熔化时温度的变化规律”可得出晶体熔化的条件是______和______.
晶体要熔化,首先温度要达到熔点,达到熔点后还要继续吸热才能熔化.
故本题答案为:温度达到熔点;继续吸热
从方框内选合适句子补全对话。 | |
A: Hello, John. Here is the book you lent to me last week. Thank you very much. B: Oh, you're welcome, Tin. 1_____ A: Very much. I'm sorry to have kept it so long. I haven't had much time to read it these days. B: That's all right. 2_____ A: Have you got any more books written by the same writer? B: Yes, but I have lent them to Jim. Would you like to borrow one? A: Yes, please. Shall I ask Jim to pass one of them on to me when he has finished it? B: No, better let him return it to me and then 3_____ A: Have you got anything else I can borrow now? B: Do you like science books? 4_____ A: 5_____ B: OK. Let's go and get it. It's in my room.
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