《生活饮用水的细菌标准》GB5749-1985中对细菌标准有具体规定,细菌总数1ml水中不超过( )个。
A.100
B.3
C.50
D.30
参考答案:A
People all over the world have a dream ______they will always live a peaceful life.
A.that
B.what
C.which
D.when
新成立单位应在何时办理基本医疗保险登记手续?