AIDS is said______the No. 1 killer of both men and women over the past few years in that region.
A. being
B. to be
C. to have been
D. having been
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What is believed by most experts to be the main reason for increasing tuition？
A. The increasing number of the full-time support staff.
B. The reduction in the government funding for higher education.
C. The rising inflation in the country.
D. The increasing number of the students.
In discussing the subject matter of SF, the author focuses on ______.
A. its main functions.
B. its great diversity.
C. its bold assumptions.
D. its social impact.
What is said about smaller marine life？
A. It is impossible to count its number owing to its invisibility.
B. It is found that all smaller marine life live in the sea bed.
C. Some smaller marine life are tiny while others are massive.
D. Some familiar creatures depend on smaller marine life for food supply.
According to Mr. Bennett, universities and colleges significantly increase the number of their full-time support staff because______.
A. they needed more staff to provide more desired services for students
B. they did not want to fall behind the Jones family
C. the student number was on the increase
D. they were trying to make college more than a place to get education
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