数控机床的切削精度是一种()精度.
A.静态
B.动态
C.形状
D.位置
参考答案:B
宋氏细菌性痢疾()
A.症状轻,非典型病例多
B.排菌时间较长,易呈慢性
C.果酱样便
D.便秘与腹泻交替
E.可有皮疹、便秘或腹泻
It was not a serious illness, and she soon _______ it.
A.gotover
B.gotonwith
C.gotround
D.gotoutof