围护结构内部材料的层次应尽量满足让水蒸气（）。
参考答案：进难出易
根据句意及汉语提示写单词。
1. Please _____ (原谅) me for losing your pen.
2. He really _____ (珍爱) the present his grandmother gave him on his twelfth birthday.
3.If you want to do the work well, you should have lots of _____ (耐心).
4. It is well known how important a role _____ (模范) can be for us.
5. They thought the good harvest was a _____ (恩赐) from Heaven http://www.nciku.cn/search/en/
heaven.
我国照明电路的电压是 [ ]
A．500V
B．220V
C．1.5V
D．36V
well, you should have lots of _____ (耐心).