【单选题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为( )。
【多选题】测量误差有两种表达形式,即绝对误差和相对误差。关于相对误差,正确的描述是( )。
D.
相对误差适于评定或比较大小相同的被测量的测量精度
E.
相对误差适于评定或比较大小不相同的被测量的测量精度
【单选题】The barman didn’t want to send the man away because__________.
A.
the man paid the bill every time he brought it to him
B.
the man was too tired to leave
D.
he lidded his job very much
【单选题】It can be inferred from the passage that Ray's father was all EXCEPT ______.
【简答题】What can be inferred from the passage? [A] Ray Kroc's first step to develop McDonald's is in the center of Chicago. [B] Ray Kroc's milk shake machines are great help to the McDonald brothers. [C] The ...
【多选题】测量误差有两种表达形式,即绝对误差和相对误差。关于绝对误差,正确的描述是( )。
D.
绝对误差适于评定或比较大小相同的被测量的测量精度
E.
绝对误差适于评定或比较大小不相同的被测量的测量精度
【单选题】What can be inferred from the passage?
A.
Ray Kroc's first step to develop McDonald's is in the center of Chicago.
B.
Ray Kroc's milk shake machines are great help to the McDonald brothers.
C.
The entry of Ray Kroc is a motive to the expansion of McDonald's.
D.
Ray Kroc's secret is his emphasis on barbecue items.
【判断题】因为使用而使电池内产生结晶,暂时性的容量减小,导致使用时间缩短的现象称为记忆效应。
【单选题】若二维数组 a 有 m 列,则在 a[i][j] 之前的元素个数是( )。