锅炉汽包严重缺水，应严禁向炉内进水，立即切出热源。
参考答案：对
看图，根据例子填空完成句子。
例: I want some peaches. I don't want any pears.
1. I want some ______________. I don't want any ______________.
2. I want ___________________. I ____________ want __________________.
在货币供应量中，由流通中现金、企事业活期存款构成的狭义货币供应量，一般简记为( )。
A．M0
B．M1
C．M2
D．M3
I want some peaches. 
I don't want any pears.
I want some ______________. 
I don't want any ______________.
I want ___________________. 
I ____________ want __________________.