第二部分:英语知识运用(共两节,满分 45分)
第一节 单项选择(共15小题;每题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. Such ____ medical equipment is in ____ danger of breaking down, if not taken good care
of.
A. a; the B. a; / C. /; the D. /; /
22. ____ the working efficiency(工作效率), the boss allows the employees to have a coffee
break.
A. Improving B. To improve
C. Having improved D. Improved