- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
海水的總含鹽量一般為（）。
A.3.3%~3.7%
B.33%~37%
C.10%~30%
D.1%~3%
A.3.3%~3.7%
B.33%~37%
C.10%~30%
D.1%~3%
