题目

Mike lives in the country (乡村)，and he loves playing in the river near his house. 【1】 And he moves there with his family.Their new house has a garden, but the garden is very small. 【2】 “ Is there a river near here?” he asks his mother on the first morning.“No, there isn’t. But there is a beautiful park near here, Mike, and there is a pool in it.【3】”Mike is happier now. 【4】 Mike wants to walk near the pool, but there is a sign in front of it.His mother reads it to him.Warning (警告)：No swimming! 【5】 46 people have fallen (掉落) into it.Mike looks into th繁殖优良品种的果树，为了保持优良性状，在下列繁殖方法中，最好不采用 [　　] A．种子繁殖B．扦插C．压条D．嫁接