高发热值与低发热值之差恰等于水的（）。
A.汽化潜热值
B.熔解热值
C.比热
D.分解热
参考答案：A
根据句意，用所给单词的适当形式填空。
1. My mother always cooks _____ (taste) meals on Sunday.
2. How many _____ (monkey) are there in the zoo?
3. Everyone thinks doing sport is _____ (health) than watching TV.
4. Nancy and John study in a _____ (mix) school.
5. The book is _____ (use) to you. Don't read it any more.
若有以下数组说明，则i=10；a[a[i]]元素数值是（）。inta[12]={1，4，7，10，2，5，8，11，3，6，9，12}；
A.10
B.9
C.6
D.5
