单项选择题
A. Both shirts. B. The green shirt. C. The red shirt. D. Neither of the shirts.
A. tend to produce a stress-related chemical B. will affect a person’s character severely C. will make people weak in body and soul D. tend to undermine the response to stress
A. To be a writer. B. To be a driver. C. To go into the family business. D. To become an artist.