17. W: Jim, I'm having difficulty with all the theoretical stuff we are getting in our computer course.
M: Oh, that part I understand. What I can't figure out is how to make it work in my program.
Q: What is the man's problem?
解析:D。男士說(shuō)他不知怎樣在程序中運(yùn)用(理論),C中的"apply the theory to the program"正是男士所說(shuō)內(nèi)容的同義表達(dá)。所以答案為D。
18. M: I must point out that trials of new medicine are expensive, and you can never guarantee success.
W: But there is a very good chance in this case. I do hope you will go ahead in view of the potential benefit to mankind.
Q: What are the two speakers talking about?
解析:B。男士認(rèn)為新藥的試驗(yàn)費(fèi)用很高,而女士則說(shuō):“我真的希望您考慮到它可能給人類帶來(lái)的好處而繼續(xù)研究下去?!笨芍麄?cè)谟懻撔滤?。答案為B。