美语听力 English Cafe 151

Topics¹: D.B. Cooper; the Underground Railroad; extend versus expand; God forbid; brown-bag lunch

Words:
to hijack
threat
unsolved mystery
flight attendant
bomb
parachute
in exchange for
frayed
unconvinced
slave
to escape
to be sympathetic toward
to extend
to expand
God forbid
brown-bag lunch

 

1 Topics   

题目，主题

参考例句：

• Don't revise a few topics to the exclusion of all others. 不要修改少数论题以致排除所有其他的。
• He covered a wide range of topics with unusual candour. 他极其坦率地谈了许多问题。