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【多选题】
下列关于仪表的准确度，叙述正确的是( )。
A.
仪表的准确度是指仪表在规定条件下工作时，可能出现的最大基本误差的百分数值，它的大小等于仪表的最大基本误差(即最大绝对误差)与该仪表的满刻度值(测量上限)之比
B.
在正常条件下，仪表的最大绝对误差是不变的，即准确度不变
C.
满刻度仪表的准确度是指仪表在规定条件下工作时，在可能出现的最大基本误差的百分数值度内被测量的值越小，相对误差就会越大
D.
为了提高被测电量的准确度，在选用仪表时，要尽可能使被测量数值在满刻度的2/5以上
E.
被测量电流在175A时，则选用满刻度为0～200A的仪表为宜
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【单选题】听力原文：W: What would you like for dessert? M: I think I'll have an ice cream. I suggest you try some chocolate cake. W: Well, I have to watch my weight. You go ahead and get yours. What will the woman p...
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