20（）

单项选择题The tip know when to walk away tells us that （）

A．you should walk away when you see something you like but expensive
B．sometimes appropriate detached attitudes can ensure you a bargain
C．don’t act too shy to leave
D．you’d better walk away when you have a second chance

单项选择题11（）

A. But how do you know when you’ve found the right boss
B. There’s no reason to get your nose out of joint.
C. Why are you continually emailing me when I sit across the hall
D. Great teaching is not limited to school, though.
E. In short, a great boss knows how to teach.
F. Whichever you are, my recommendation is to make sure you know where both you and your boss belong.
G. A great boss both gives and earns respect.