在一次假设检验中,P值为0.005,显著性水平为0.05时,结论是()。
A.拒绝原假设
B.不拒绝原假设
C.需要重新进行假设检验
D.有可能拒绝原假设
参考答案:A
.
_______ great achievements the future may have in store for China, it’s likely that many of them will be born in northwestern Beijing.
A.However
B.Whatever
C.No matter what
D.No matter
早产儿视网膜病变可分为几期()。
A.1期
B.2期
C.3期
D.4期
E.5期