20. The__cycle of life and death is a subject of interest to scientists and philosophers alike. A. incompatible B. exceeding C. instantaneous D. eternal ...

9. If Japan__its relation with that coungry, it will have to find another supplier of raw materials. A. precludes B. terminates C. partitions D. expires ...

40. Does Emerson find his career fulll and__as a basketball player? A. conflicting B. charming C. rewarding D. awarding ...

35. The children cheerd up when they saw hundreds of colorful balloons____slowly into the sky., A. floating B. raising C. heaving D. ascending ...

31. Dr.Park was accused__the patient with overdose of sleeping pills so that the patient's life was terminated before the expected time. A. of providing B. with proving C. to have provided D. to provide ...

21. The person who___this type of approach for doing research deserves our praise. A. generated B. originated C. speculated D. manufacture ...

16. I don't think you two have met before,__? A. haven't you B. have you C. had you D. don't you ...

9. Now a paper in Science argues that organic chemicals in the rock come mostly from__on earth rather than bacteria on Mars. A. configuration B. constitution C. condemnation D. contamination ...

3. The director tried to wave aside these issues as__details that would be settled later. A. preliminary B. primary C. trivial D. alternative ...

34. After several nuclear disaters, a __has raged over the safety of nuclear energy. A. quarrel B. suspicion C. verdict D. controversy ...