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【单选题】
测量一约为1.5伏的电压时要求其结果的相对误差不大于1.5%,则用下列哪能种规格的电压表:A.
0.5 级,量程为5伏
B.
1.0 级,量程为2伏
C.
2.5 级,量程为1.5伏
D.
0.5 级,量程为3伏
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举一反三
【单选题】以下对一维数组的定义与初始化中不正确的是
A.
double x[5]={2.0,4.0,6.0,8.0,10.0};
B.
int y[5]={0,1,3,5,7,9};
C.
char ch1[ ]={'1', '2', '3', '4', '5'};
D.
char ch2[ ]={'\x10', '\xa', '\x8'};
【单选题】The English thought that Italians used forks in order to ______ .
A.
imitate the people of the East
B.
keep their food clean
C.
impress visitors with their good manners
D.
amuse the English
【单选题】The English thought that Italians used forks in order to ______ .
A.
amuse the English
B.
keep their food clean
C.
imitate the people of the East
D.
impress visitors with their good manners
【判断题】We non-English speakers need to follow the English thought pattern when we write English essays.
A.
正确
B.
错误
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