What is the passage mainly about
A. The history of advertisement.
B. The functions of commercials on television.
C. Arguing for the benefits of advertisements.
D. Telling people to be aware of the false advertisements.
Generally speaking, ______ immigrants cannot totally cut the tie with their motherland and be assim ilated by the foreign culture.
A. most
B. the most
C. most of[B]
You should have put the milk into the refrigerator, I expect it ______ bad by now.
A. went
B. had gone
C. has gone
D. goes
Which of the following statements is TRUE about the public debate over gun ownership
A. It has little influence on the forum sponsored by the Crime and Justice network.
B. Neither supporters nor opponents of gun control cite the works of scholars.
C. The works of mainstream social scientists have great impact on it.
D. Many social science historians have so far failed to take part in it.