1. We know the old soldier _____ in the Liberation War. (A) having once been injured (B) having once injured (C) to have once been injured (D) to have once injured 来源：www.examda.com 2. Mr.Blair was reluctantly approved, the significant factor in his favor being his _____ to the position. (A) recess (B) excess (C) approach (D) reproach
3. _____ could more effective ways to deal with inequities in educational opportunity provide direct payments to families. (A) Five years later (B) Only after five years (C) After five years has passed (D) Five years after 来源：www.examda.com 4. It was urgent that they _____ the intellectual background to meet the challenge. (A) should have (B) had to have (C) would have had (D) could have had
5. It s true we won the match, but since the opposing team was so obviously inferior to ours, our success does not _____ much. (A) count for (B) count on (C) count up (D) count out 来源：www.examda.com 6. _____ appealing to his better nature, we persuaded the boy to change his behaviour. (A) through (B) With (C) By (D) On
7. We can take care of this matter _____ payment is made in advance. (A) in the hope that (B) regardless the fact that (C) on the grounds that (D) on condition that 来源：www.examda.com 8. _____ her work was still not as good as she wanted it to be? (A) It was why that (B) Why was it that (C) That is why it (D) Why it is that
9. Many animals have evolved _____ ways of transferring environmentally learned information to other members of their species. (A) complicated (B) composed (C) completed (D) comprehended
10. The football matc had to be cannelled on _____ of the awful weather. (A) point (B) occasion (C) account (D) behalf
11. To my surprise, he hadn t realized _____. 来源：www.examda.com (A) that a girl she was pretty (B) what she was a pretty girl (C) what a pretty girl she was (D) what pretty a girl she was
12. Further arms limitations negotiations were _____ when Congress failed to grant the treaty. (A) held down (B) called off (C) brought out (D) left behind 来源：www.examda.com 13. Should their plot have succeeded, that _____ to a repeat of old society. (A) has been leading (B) has led (C) would lead (D) would have led
14. Nothing can discourage the girl _____ going ahead with her plans. (A) from (B) against (C) with (D) about
15. _____ that the new faces are people who know the business climate well. (A) The fortune (B) To be fortune (C) Fortunately (D) It is fortunate
16. The age of a tree can be determined accurately by counting the number of tree rings it has _____. (A) achieved (B) developed (C) worn (D) grown
17. _____ professional baseball is played, the morecertain it becomes that Walter Johnson s shut-out record will never be beaten. (A) The longer than (B) How long (C) However long (D) the longer 来源：www.examda.com 18. Certain diseases of the brain are suffered by human being _____. (A) lonely (B) alone (C) singly (D) solely
19. _____ of decorating houses at preset, that of papering interior walls was probably the most popular. (A) All the means (B) Of all the means (C) Means of all (D) The means 来源：www.examda.com 20. Electrical resistance is a common property of all materials. _____. (A) differs only in degree (B) it only differs in degree (C) only in degree it differs (D) differing only in degree