职称英语卫生类A级完形填空提高练习(3)
6. A at B on C of D in
7. A kinds B ages C colors D sizes
8. A assign B attribute C contribute D allocate
9. A more B so C as D like
10. A points B benefits C steps D dangers
11. A stronger B nicer C darker D deeper
12. A before B after C until D while
13. A below B low C under D beneath
14. A warning B legislation C approval D debate
15. A predicted B treated C avoided D diagnosed
答案：BADAB DBBCD AACBC