【简答题】关于计数范围,8位计数器计数范围是( ),16位计数器计数范围是( )。
【单选题】-- Doctor! I can’t fall at night. ---Don’t worry! You are too stressed. Just be relaxed and take some pills, then you’ll be better.
【判断题】用乙醇水溶液提取可溶性糖类,乙醇的浓度越浓越好。
【单选题】在汉字编码中,________是供计算机外部用户使用的,又称为汉字的外部码。( )
【单选题】在汉字库中查找汉字时,输入的是汉字的机内码,输出的是汉字的( )
【简答题】用方框中所给单词的适当形式填空,每词限用一次。 worry, they, shark, sleepy, towards 小题1:Take some rest after lunch and you won’t feel ________in the afternoon. . 小题2:When the child saw her parents waiting at the school...
【简答题】[A]regard[B]see[C]worry[D]take
【单选题】Don't ________him . He is old enough ________himself. [ ]
B.
worry about; take care of
C.
worry about; to take care of
D.
worry; to take care of