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【判断题】
工作在放大状态的三极管,发射极电流比集电极电流要大A.
正确
B.
错误
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【单选题】It was playing computer games that cost the boy plenty of time that he _____have spent doing his lessons
A.
might
B.
must
C.
could
D.
ought to
【简答题】Now fill in the blanks with the following participial modifiers. 1) People say we have a cold and selfish society, but , I’ve seen too much love and kindness to believe that’s entirely true. 2) , the ...
【单选题】( ) 周某,女,58岁,患慢性心功能不全,医生处方中选用地高辛每日0.25mg口服,并嘱其连续用药期间须选择同一药厂、同一剂型,最好为同一批号的产品,这是因为
A.
生物利用度相对稳定，可确保疗效，又不致中毒
B.
更换其他药厂的产品无效
C.
利益驱动有关
D.
医生用药习惯
【简答题】（1）根据静水压强的特性，静止流体中同一点各方向的压强（ ）
【单选题】He must have plenty of money if he can take losing $500 so ________.
A.
seriously
B.
severely
C.
lightly
D.
literally
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