The author suggests that the "two-step-flow theory" ______.
A．serves as a solution to marketing problems.
B．has helped explain certain prevalent trends.
C．has won support from influentials.
D．requires solid evidence for its validity.
The author suggests that in Canada during the 1950's ______.
A．the urban population decreased rapidly
B．the birth rate was very high
C．economic conditions were poor
D．fewer people married
In the second paragraph, the author suggests that "economists" would______.
A．plan the economy through yearly forecasts
B．fail to consider the influence of technological innovation
C．value the economic contribution of farm animals
D．consult the national commission on the economy
The author suggests that it is more difficult to overcome ______.
A．prejudice against women leaders
B．fear for the unpredictable future
C．others' judgments on us
D．our own internalized fear
The author suggests which of the following about art historians？
A．They do not believe that illusionist tricks have become trivial.
B．They generally spend little time studying contemporary artists.
C．They have not given enough consideration to how the representation of nature has become commonplace.
D．They generally tend to argue about theories rather than address substantive issues.
What the applicant wears, as the author suggests, can make him look ______.
The author suggests that______.
A．poetry tends to make the reader disappointed
B．poetry makes its readers sentimental
C．poetry is more important than words
D．poetry often captures real human feelings
What does the author most probably think about hypochondria？
A．The author considers that hypochondria is an incurable disease.
B．The author thinks that the consequences of hypochondria might be disastrous.
C．The author suggests that the patients who have hypochondria should set their hearts at rest.
D．The author sympathizes with the patients who suffer from hypochondria.
The author suggests in the last paragraph that the effect of peer pressure is