【单选题】Alice often watches cartoons _____________ TV. [ ]
【简答题】准确度是测量结果 的量度;精密度是测量结果 的量度;误差则反映了测量结果相对于被测量真实值的 程度;量限是指仪表在规定的准确度下对应于某一测量范围内所能测量的 。
【判断题】“我所测量的正是我想要测量的吗?”这反映的是测量的效度。
【判断题】“我所测量的正是我想要测量的吗?”反映的是测量的效度。
【单选题】点击网页内的链接可以迅速跳到同一网页的另一特定位置,这种链接称为()
【单选题】___Alice often _____ the piano?
【简答题】Alice is from England.She is thir.She studies in a high school in Linzhou,Henan.Alice often gets up at about 6:30 on weekdays(工作日).She often has a glass of milk,an egg,and some bread for breakfast...
【单选题】What can we infer from the conversation?
A.
Alice didn't often visit her parents.
C.
Two of Alice' s children were part-time students.
D.
Alice and her family Usually visited her parents in summer.
【简答题】测量精密度反映的是测量结果中 误差的大小。