T形账户的左边为()。
A.增加栏
B.减少栏
C.借方
D.贷方
参考答案:C
某混凝土设计强度等级为C30,前期无足够的统计资料。现抽取10组试件组成一验收批。试按标准差未知的统计方案验收该批混凝土是否合格?38.9MPa,40.3MPa,35.2MPa,38.4MPa,43.1MPa,38.2MPa,36.9MPa,39.3MPa,37.4MPa,36.6MPa。
新产后,发生手足抽搐,项背强直,甚至口噤,角弓反张,应诊为:()
A.产后发热
B.产后血晕
C.产后身痛
D.产后痉证
E.产后腹痛