在假设检验中,记H1为备择假设,则犯第一类错误是指()。
A.H1为真,接受H1
B.H1不真,接受H1
C.H1为真,拒绝H1
D.H1不真,拒绝H1
参考答案:B
腹腔镜胆囊切除术的适应证是
A.急性胆囊炎
B.慢性胆囊炎、胆囊结石
C.胆囊息肉
D.胆管结石
I teasingly suggested to my wife that she might get the recipe of the delicious cream puffs from her sister, a cooking talent.