美语听力 English Cafe 283

　　Topics: The FBI; Famous Americans: Margaret Mead; shall versus should versus supposed to; beneath versus underneath; fo’ shizzle my nizzle
　　Words:
　　investigation
　　threat
　　to cross state lines
　　mail fraud
　　wiretapping
　　counterterrorism
　　g-men
　　anthropologist
　　to come of age
　　casual sex
　　to open (someone)'s eyes
　　role model
　　shall
　　should
　　supposed to
　　beneath
　　underneath
　　fo’ shizzle my nizzle