获得中级导游资格证书4年后，业绩突出，水平较高，在国内外同行中有一定影响，业务考核和素质考试合格者可晋升为高级导游人员
参考答案：对
动词填空
1. He ________(wash) the dishes in the kitchen when I saw him yesterday evening.
2. Some old people are happy _________(be)with the young ones.
3. Tom says he _________(not watch)the video film tonight.
4. How _______Bob ______(go)to school every day except weekends?
5. —"Mum, I saw a new kind of bike. It_____(cost) only two hundred and fifty yuan,"
—"Oh, really?"
6. Can she _______(run) as fast as Helen ?
7. We________(visit) the Great Wall next week.
8. Don’t _______(talk) now.
9. Let’s try our best _________(finish) the work in an hour.
10. She often_______ (visit) her aunt’s house last year.
一学生在百米赛跑中，测得他在50m处的瞬时速度为6m/s，16s末到达终点的瞬时速度为7.5m/s，则它在全程内的平均速度是（）
A.6m/s
B.6.25m/s
C.6.75m/s
D.7.0m/s
