第一部分 英语知识运用(共两节，满分45分)
第一节 单项填空(共15小题:每小题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，并在答题卡上将该选项涂黑。
1. The company provides a telephone service free of ________ charge and you can dial to find out how you should pay ________ charge for what you ordered.
A．/；/ B．/；a C．a；the D．/；the
2. I’ve been writing this report____ for the last two weeks, but it has to be handed in tomorrow.
A. finally B. immediately C. occasionally D. certainly
3. Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes .
A. favorable B. precious C. essential D. worthwhile
4. The company always ________ great importance to the quality of their products. That's why there is always a steady increase in sales year by year.
A．makes B．attaches C．plays D．puts
5. The construction of the laboratory ________ by the end of next month.
A. must be completed B. must have been completed
C. will be completing D. will have been completing
