夸美纽斯为6～12岁的儿童设计的学校是 ( )
A．母育学校
B．国语学校
C．拉丁语学校
D．大学
参考答案：B
对划线部分提问。
1. Tom is doing the homework at home.
______ ______ Tom doing the homework?
2. Kate is cooking now.
______ is Kate ______ now?
3. It's windy today.
______ ______ ______ today?
4. It's pretty good.
How's ______ ______?
影响染料的上染速率的因素有哪些？什么叫半染时间？
