下列哪一种繁殖方式不能保持果树原有的优良性状? [ ]
A．扦插
B．嫁接
C．压条
D．用种子繁殖
答案：D
I prefer a house in a small coast village to _____ in such a large city _____ Sydney. [ ]
A. that; as
B. one; as
C. one; like
D. that: like
网络跳线的制作就是把双绞线的6芯网线按一定规则插入水晶头中。
