1. This bird’s large wings ________ it to fly very fast.

A) make B) cause C) enable D) ensure

2. In most of the United States, the morning newspaper is ________ by school-age children.

A) directed B) discharged C) derived D) delivered

3. Though the long-term ________ cannot be predicted, the project has been approved by the committee.

A) effect B) effort C) affect D) afford

4. Jane was fairly good at English, but in mathematics she could not ________ the rest of the students in her class.

A) put up with B) do away with C) keep up with D) run away with

5. He went ahead ________ all warnings about the danger of his mission.

A) in case of B) because of C) prior to D) regardless of

6. Because of the ________ emphasis placed on classroom work, the instructor will report your absences to the adviser.

A) large B) strong C) hard D) high

7. I have had great deal of trouble ________ the rest of the class.

A) coming up against B) making up for C) keeping up with D) living up to

8. The little man was ________ more than one metre fifty tall.

A) nearly B) quite C) hardly D) almost

9. Certain programs work better for some ________ for others.

A) and B) than C) as D) but

10. Some plants are so sensitive ________ pollution that they can only survive in a perfectly clean environment.

A) from B) against C) to D) with

答案：BAACD BCABC