已知|x|=3，|y|=2，且xy＞0，则x-y的值等于 [ ]

A．5或-5

B．1或-1

C．5或1

D．-5或-1

句型转换。

1. When I grow up, I want to be an artist.（对画线部分提问）

              do you want to ____ when you grow up?

2. John needs to cut his hair because his hair is too long.（改为同义句）

    John needs to ____ his hair        because of his long hair.

3. After planting the trees you should water them often.（改为同义句）

    The trees                           often after they_______    __________.

4．Tim likes Chinese. So does Rose.（将两句合并为一句）

             Tim        Rose ____ Chinese.

5. Lucy doesn't seem to have many friends here.（改为同义句）

                                   Lucy doesn't have many friends here.