Ⅰ.单句语法填空
1.It is assumed that stress is mainly caused by too much work.
2.There were so many cars held up by the heavy rain on the road that we had no alternative but to_wait (wait).
3.She has kept up physical training for several years without interruption (interrupt).
4.The plants need the right amount of sunlight and rain to grow and ripen (ripe).
5.The mechanic, who wishes to do his work well, must first sharpen (sharp) his tools.
6.In contrast to our ignorance of saving food, many people especially those in povertystricken areas are suffering from starvation (starve).
7.Answers will be marked for neatness as well as for accuracy (accurate).
8.As is announced in today's paper, the top scorers of Beijing came from the Affiliated High School of People's University.