下列关于氧气的性质,叙述错误的是( )
A.氧气具有氧化性
B.标准状况下,氧气的密度略大于空气
C.氧气易溶于水
D.通常状况下,氧气是无色无味的气体
答案:C
Recently quite a lot of exports _______ that another law on wildlife protection ________ as soon as possible .
A.demanded , must be passed
B.have demanded, be passed
C.were demanding , was passed
D.demanded, being passed
职业道德具有广泛性,多样性,实践性和()。