题目内容
2．-Nancy，is this blue bag Tom's？-It be his．His is black．（ ）| A． | must | B． | may | C． | can't |
分析 -Nancy，这个蓝色的包是Tom的吗？
-不可能是他的．他的是黑色的．
解答 本题考查的是情态动词表示推测的用法，肯定推测用must be，表示不确定的推测用may be，否定推测用can't be，据题干His is black，可以知道，这个蓝色的包不是他的，故选C．
点评 对待此类考查情态动词的题目，首先要认真审题，结合所给出的语境，正确把握说话者的语气、情感、态度、观点等．其次要认真思考所给选项中情态动词的基本特征和用法，并结合语境推敲答案．尤其是表示推测的用法，更要结合上下文，找出突破口．
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Norman Cousins was the editor of a magazine called Saturday Review for almost forty years．He also （41）Cand spoke about world peace and anti-war issues（反战议题），traveling to many different countries to share his （42）D．
In the 1960s，after returning to the United States from a busy and tiring trip to Europe．Mr．Cousins got （43）B．He discovered he had a strange disease that caused great pain in his bones（骨头）．
In less than a week after he got back，he could not （44）Ait．Every move that he made was painful．He was not able to （45）Dat night．The doctor told Mr．Cousins that they did not know how to cure （治疗）his problem and he might never （46）Cthe illness．Mr．Cousins，however，refused to give up hope．
Mr．Cousins thought that the illness could be caused by （47）Athoughts．He did not want to take （48）Cto cure himself．Instead，he felt that happy thoughts or laughter might cure his illness．
He began to experiment on himself while still in the hospital by watching comedy shows on television．Mr．Cousins quickly found that ten minutes of （49）Claughter during the day gave him two hours of pain-free sleep at night．
Deciding that the （50）Dcould not help him，Mr．Cousins left the hospital and checked into a hotel room where he could （51）Chis experiments with laughter．For eight days，Mr．Cousins （52）Ain the hotel room watching comedy shows on television，reading amusing books，and sleeping whenever he felt （53）B．Within three weeks，he felt well enough to take a vacation to Puerto Rico where he began running on the beach for （54）B．
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