仪器法MCV的参考范围是
A、80~90fl
B、82~90fl
C、80~100fl
D、90~100fl
E、80~110fl
第1题:
第2题:
第3题:
记录同学成绩的scores数组如下,scores[ 1:3, [2,5]] 取得的数据是________。 scores: array([[70, 85, 77, 90, 82, 84, 89], [60, 64, 80, 75, 80, 92, 90], [90, 93, 88, 87, 86, 90, 91], [80, 82, 91, 88, 83, 86, 80], [88, 72, 78, 90, 91, 73, 80]])
A.array([ [80,92], [88,90]] )
B.array([ [64,80], [93,86]] )
C.array([ [85,84],[64,92], [93,90]] )
D.array([ [64,92], [93,90],[82,86]] )
第4题:
第5题:
4、记录同学成绩的scores数组如下,scores[ 1:3, [2,5]] 取得的数据是________。 scores: array([[70, 85, 77, 90, 82, 84, 89], [60, 64, 80, 75, 80, 92, 90], [90, 93, 88, 87, 86, 90, 91], [80, 82, 91, 88, 83, 86, 80], [88, 72, 78, 90, 91, 73, 80]])
A.array([ [80,92], [88,90]] )
B.array([ [64,80], [93,86]] )
C.array([ [85,84],[64,92], [93,90]] )
D.array([ [64,92], [93,90],[82,86]] )