花卉杂交育种程序中,不包括()过程。
A.确定育种目标
B.选配亲本
C.组培快繁
D.杂交
参考答案:C
安慰剂产生30%~50%的疗效原因是:
A.个体体质B.精神因素C.二者均有D.二者皆无
As a teacher you have to ______ your methods to the needs of slower children. [ ]
A. recommend
B. distribute
C. reflect
D. adjust