I listened to Dr．Wilson's lecture about the protection of wild animals, but I was unable to grasp its key .
| A．thoughts | B．points | C．notes | D．dots |
Heavy drinking used to be acceptable, but as drunken driving has caused so many tragedies public opinion is no longer ______.
| A．accurate | B．tolerant | C．appropriate | D．reliable |
Government should adopt laws that would ban advertising and other types of ______ of tobacco products.
| A．delivery | B．spread | C．promotion | D．discount |
The managing director of this department took the ______ for the accident, although it was not really his fault.
| A．guilt | B．response | C．blame | D．accusation |
The former Olympic champion was ______ in the quarterfinals last night when he lost 0-2 at home.
| A．knocked off | B．knocked out | C．knocked down | D．knocked over |
The workers agreed to ______ the strike if the company would satisfy their demands for better salaries and working conditions.
| A．call for | B．call in | C．call off | D．call up |