一般情况下，老年人每天综合摄盐量应控制在（）克以内。
A、5
B、6
C、7
参考答案：B
With computer users linker to the internet growing （） every year,business is trying to cash in on the worldwide network.
A．at million
B．with a million
C．with one million
D．by million
新建锅炉一般都要采用碱洗的目的？
