我国濒临的四大海域中最南端的是( )
A.黄海
B.东海
C.渤海
D.南海
我国濒临的海洋自北向南依次为:渤海、黄海、东海、南海.
故选:D.
In the last decade, disasters have become increasingly common. It’s high time that we ______these issues more seriously.
A.took
B.have taken
C.had taken
D.are taking
下列不属于硅橡胶特点的是()
A.耐温性
B.耐氧化
C.亲水性
D.透过性