33. They argued that their products should be developed on the basis of need, ______profit.

A. 　 assurance

B. 　 assumption

C. 　 sanction

D. 　 insurance

A. 　 Students tend to stay alone playing computer games.

B. 　 Students spend less time on study than on recreations.

C. 　 Students may not know how to hang out with others.

D. 　 Students may lack the courage to solve conflicts.

A. 　 They are closely related to people’s social status.

B. 　 They have to do with people’s body weight and shape.

C. 　 They seem to matter much less to men than to women.

D. 　 They may not be equal to people’s contributions.

A. 　 People have been expecting too much from their companies.

B. 　 Welfare benefits have to be provided to satisfy workers.

C. 　 The reasons for job dissatisfaction are found to be various.

D. 　 Economic reasons are the main cause of job dissatisfaction.

A. 　 for long

B. 　 before long

C. 　 ever since

D. 　 for good

A. 　 inactive

B. 　 indifferent

C. 　 uninterested

D. 　 unconsidered

A. 　 Because the son is playing computer games with his friends.

B. 　 Because the son is expected to help the mother cook dinner.

C. 　 Because the father is meeting with his colleagues online.

D. 　 Because the father is chatting with some friends online.

A. 　 Open-ended questions more than yes-or-no questions.

B. 　 Open-ended questions less than yes-or-no questions.

C. 　 Open-ended questions other than yes-or-no questions.

D. 　 Open-ended questions rather than yes-or-no questions.

A. 　 would have arrived

B. 　 should arrive

C. 　 must have arrived

D. 　 would arrive

A. 　 colleges care more about students’ quality rather than the quantity

B. 　 it is difficult for colleges to keep students through graduation

C. 　 colleges have adopted a practical attitude to graduation rates

D. 　 the conveniences of the modern age are welcomed by students