确定样本含量,正确的是()。
A.样本含量越大越好
B.样本含量越小越好
C.保证一定检验效能条件下尽量大
D.保证一定检验效能条件下尽量小
E.以上讲法均不合理
参考答案:D
________ my teacher helping me, I could easily finish the work today.
A.With
B.Besides
C.Under
D.Because of
能行气止痛,长于行肠胃气滞的药物是
A.柴胡
B.沉香
C.木香
D.藿香
E.檀香