_________(52)A.obscure B. attractiveC.appropriate

52._________A. favourB. profitC. gainD. value

52._________A. troubleB. timeC. fearD. pleasure

52._________A. dealB. workC. enrollD. communicate

52._________A. attendingB. registeringC. inviting

52._________A.. aggressionB. anxietyC. pressureD.

下列数中最小的数为________。A.(101001)二B.(52)八C.(2B)十六