教材练习答案兼同步考点链接,不可不看啊!
.Answers to Listening:
Part1
1 A spiders can make silk that is much stronger than most man-made materials.
2 A spider's silk doesn't break easily
.............
.【课本原句】But in order to get married, I needed a job, and in order to get a job, I needed a PhD.但为了结婚,我需要一份工作;而为了得到一份工作,我需要一个博士学位.

【知识点】：动词不定式结构作宾语、表语、定语、状语、主语补足语或宾语补足语
考查不定式的语态、时态、否定结构、省略形式

【考题链接】： Having a trip abroad is