读图”极地投影太阳光照图”回答下列问题.
—Jiff, is it your computer game?
—_____. It's Linda's
硫酸厂的污水中含有硫酸排放会导致河流水质酸化,加入下列物质不能解决问题的是( )
Mr. Black has a lot of ____ (paint).