China always plays ____ active part in fighting against _____natural disasters.
第二部分英语知识运用(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。 21. Studying in China was quite_____ experience to Mary, _____ that she would never forget. A. an, one B. an, it C. /, it D. an, /
10. When I go out in the evening I use the bike ________ the car if I can.
9. The rapid development of communications technology is transforming the ________ in which people communicate across time and space.
8. The ________ goal of the book is to help bridge the gap between research and teaching, particularly the gap between researchers and teachers.
7. The university has launched a research center to develop new ways of ________ bacteria which have become resistant to drug treatments.