化学溶解主要是（ ）反应、（ ）反应和（ ）反应等。
查看答案
对于物理溶解过程而言，溶质在溶剂作用下仅发生晶格破坏，离子或原子之间化学键的破坏是一可逆过程，溶质可从溶液中结晶出来。
A. 对
B. 错
有效管理时间的步骤是（ ）。
A. 详细记录时间的运用情形
B. 要系统化的管理时间
C. 找出完整的时间区间
D. 要事优先，一次只做一件事情
What toys did the author and her two sisters have in their childhood?
A. They had girly toys such as a miniature kitchen, ponies, and Barbies.
B. They had boyish toys such as toy trucks, Joes, and basketballs.
What was the national competition she once took part in as a college student?
A beauty pageant.
B. To convert a gas-guzzling SUV into a hybrid electric vehicle.
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