A:苯和水
B:碘和四氯化碳
C:乙醇和水
D:汽油和植物油
如果把“文艺复兴”、“新航路开辟”、“英国资产阶级革命”确定为一个学习单元,则这个单元的主题是( )
—There will be more and more robots going into people's homes.
— . We might be able to leave all the chores to them.