A．a conntl'y could join only when being a whaling nation- 
B．had the right to end commercial whaling entirely.
C．colleered the world’S opinion to show concerns for whales. 
D．had no authority for punishing violators．

A．Several species of whales now face extinction.
B．The world is less fascinated with whales nowadays now.
C．Norway，Iceland and Japan are the only commercial whaling nations.   
D．The blue whale is the largest animal in the world．

单选题回答题：


According to the research of Yale and the University of Pittsburgh,

A．there was a lin  between a company’s success and the personality of its boss．   
B．There was no connection between a firm's SUCCESS and its boss’S personality．   
C．people could judge a professor’S ability by watching short film,clips of lecturing．
D．people could judge a professor’S abinty only after attending lectures for a fun semester．