I often go ______ in winter.[ ]
A. boating
B. swimming
C. skating
D. shopping
答案:C
列入强制性审核的企业应当公布其主要污染物的排放情况。
表达式3.6-5/2+1.2+5%2的值是【 】。
A.4.3
B.4.8
C.3.3
D.3.8