A.havecured;havefound
B.hascured;hasfound
C.havebeencured;havebeenfound
D.hasbeencured;hasbeenfound
A.discouragingandunsatisfied
B.discourageableanddissatisfaction
C.discouragingandissatisfaction
D.unsatisfactoryanddiscouraging
A.muchroom
B.asmallroom
C.greatdealroom
D.notsobigaroom
A.relation
B.refusal
C.reform
D.revival
A.unless
B.evenif
C.provided
D.incase
A.size
B.volume
C.capacity
D.output
At the end of the 7 weeks, the step-test was again given to both groups of subjects, and their pulses taken. he post-exercise pulse rates of subjects in the experimental group were found to have decreased an average of 30 heart beats per minute, with the lowest deceased 28 and the highest decrease 46. The pulse rate of subjects in the control group remained the same or changed no more than 4 beats, with an average difference between the initial and final tests of zero. ( ) 16. The step-test was given A. after each exercise period B. at the beginning and at the end of the seven week period C. only once, at the beginning of the seven week period D. twice to the men in Group A and once to the men in Group B ( ) 17. When were pulse rates taken? A. After every exercise period. B. Every day. C. After the step-tests. D. Every time the ratio of active riding was increased. ( ) 18. The exercise schedule was planned so that the amount of active riding A. increased every few days B. varied from day to day C. increased until the third week and then was kept constant D. increased every exercise period ( ) 19. What did Group A do in their program? A. They stepped up and down on a bench each day B. They pushed and pulled on exercise handles every day C. They refrained from any exercise D. They rode on an Exercycle every day ( ) 20. This paragraph implies that A. most people do not get enough exercise B. a high pulse rate is desirable C. regular exercise can strengthen your heart D. everyone should exercise 15 minutes a day
查看答案The power of words, then (26) in their association-the things they bring up before our minds. Words become filed with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and sad events of our past; and the more we read and learn, the more the number of words that mean something to tell us (27). Great writers are those who not only have great thoughts but also express these thoughts in words which (28) powerfully to our minds and emotions. This charming and telling use of words is what we call literary style. Above all, the real poet is a master of words. (29) can convey meaning in words which sing like music and which, by their position and association, can move others to tears. We should, therefore, learn to choose our words carefully and use them (30), or they will make our speech silly and vulgar. (21) (22) (23) (24) (25) (26) (27) (28) (29) (30)
查看答案A.willfinish
B.hasfinished
C.finish
D.wouldfinish
A.Notonlydoesrustcorrode
B.Notonlyrustcorrode
C.Rust,whichnotonlycorrodes
D.Rustnotonlycorrodes
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