问题
单项选择题
准确度级别为0.5级的电压互感器,在100%额定电压测量点下,检定证书上填写的比差为零,则实际的比差为()。
A.-0.001%≤比差≤+0.001%
B.-0.001%≤比差≤+0.01%
C.-0.025%≤比差≤+0.025%
D.-0.05%≤比差≤+0.05
答案
参考答案:C
准确度级别为0.5级的电压互感器,在100%额定电压测量点下,检定证书上填写的比差为零,则实际的比差为()。
A.-0.001%≤比差≤+0.001%
B.-0.001%≤比差≤+0.01%
C.-0.025%≤比差≤+0.025%
D.-0.05%≤比差≤+0.05
参考答案:C
根据下面表格内容,以The changes to my hometown 为题,用英语写一篇80词左右的短文,介绍你家乡的变化。题目和开头已给出,不计入总词数。
The changes to my hometown Great changes have taken place in my hometown over the years. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ __________________________________________________________________________ |