按规定，中西医结合医院的中西医结合医师数应占全院医师总数的（）
A.30%以上
B.40%以上
C.50%以上
D.60%以上
E.70%以上
参考答案：A
单句改错。
1. ( ) ______How many is your coat? It's thirty dollars.
A B C D
2. ( ) ______ Who is your friend of the two girls? The tallest one.
3. ( ) ______The nearest cinema is 3 hundred meters far away.
4. ( ) ______ Our school was a mixing school 30 years ago.
5. ( ) ______ There's a few orange juice in the glass.
6. ( ) ______Why don't go and dance with us this evening?
7. ( ) ______ Look, the students have a dancing lesson.
8. ( )______ It's time for going to the playground and have sports.
9. ( ) ______ The river is the same length like that one.
10. ( )______I like getting up late, so my idea school starts at 9 a.m.
