蜗杆传动齿轮侧间隙的检查,对于要求较高的用()测量。
A.塞尺
B.百分表
C.压铅
D.游标卡尺
参考答案:B
标准米面中含量相对精白米面高的营养成分是()。
A.硫胺素
B.核黄素
C.维生素A
D.烟酸
E.硒
So loudly _____ that ____ hear her clearly.
A.did she speak; could everyone
B.did she speak; everyone could
C.she spoke; could everyone
D.she spoke; everyone could