In China, the needle treatment dates __ ancient times.
| A．from | B．back to | C．back from | D．both A and B |
第二部分英语知识运用（共两节，满分45分）
第一节单项填空（共l5小题；每小题l分，满分l5分）
从A、B、C、D四个选项中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。
21．—Would you mind if my friend came along?
—_________
A．Sorry, I don't B．Yes, go ahead
C．No, please don't D．It's fine with me
35．1 suddenly found my watch didn ’t wolrk any more and only then_______ was late for school．
| A．had I realized | B．I had realized | C．did I realize | D．realized I |
34．Well,_____, he is just my celleague． But I think we can become best friends one day．
| A．time and again | B．now and then | C．in the mean time | D．for the moment |
33．Before she______thethe door, she____what had happened to her computer．
| A．walked;noticed | B．walked; had noticed |
| C．walks; has noticed | D．had walked; noticed |
32．They said his lack____experience could lead to a disaster and he should ask for nec- essary help．
| A．of | B．in | C．for | D．To |