【判断题】准确度是指测定值与真实值的接近程度。测定值与真实值越接近,则准确度越高。
【单选题】My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet . He began his diet a week ago.、 划线处的意思是:
【单选题】Task 2 I have always felt proud of my good health because I sometimes only had to take one day off when I had a cold. So I got unhappy when I met with my doctor in the street one day. He told me that ...
A.
He sometimes takes one day off when he has a cold.
B.
He feels he’s in good health.
D.
His wife is a very good cook.
【单选题】准确度是指测定值与实值的接近程度。测定值与真实值越接近,则准确度越高。准确度主要是由系统误差来决定的,它反映测定结果的( )
【简答题】下列叙述正确的是( ) A.准确度指测定值与真实值接近的程度 B.准确度指多次测定结果之间的一致程度 C.精密度高,准确度一定高 D.精密度高,系统误差一定小
【单选题】陶行知的生活教育理论注重“教学做合一”,强调的是
【单选题】Task 1 I have always felt proud of my good health because I sometimes only had to take one day off when I had a cold. So I got unhappy when I met with my doctor in the street one day. He told me that ...
A.
He sometimes takes one day off when he has a cold.
B.
He feels he’s in good health.
D.
His wife is a very good cook.
【单选题】陶行知的生活教育理论注重“教学做合一”,强调( )
【多选题】保障电子商务安全应当从哪几方面综合考虑?