单项选择题


In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question.

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单项选择题
The interviewee is not self-employed mainly because ______.
A．his wife likes him to work for a firm
B．he prefers working for the government
C．self-employed work is very demanding
D．self-employed work is sometimes insecure
单项选择题
What causes the pressure to reform the way clinical trials of all drugs are reported
A．Growing concerns over the safety and efficacy of anti-depressant drugs prescribed to children.
B．The requirements of Congress and the New York state attorney general.
C．Changes within the pharmaceutical industry.
D．The information provided by a dozen influential medical journals.
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