下列属于植物的有性生殖的是 [ ]
A．土豆发芽
B．苹果的嫁接
C．葡萄扦插
D．桃树的开花结果
D
市场调查报告只适用于企业经济活动。（）
Peter drives _____ Amy, so it will take Peter _____ time to get to the hotel [ ]
A. much faster than; less
B. more slowly than; less
C as fast as; more
D. as slowly as; more
