不考虑过去业务信息而进行的预算属于()
A.固定预算
B.弹性预算
C.增量预算
D.零基预算
参考答案:D
交换值越小,说明两个基因之间的连锁强度就越(),两个连锁的非等位基因之间发生交换的孢母细胞数就越()。
People living in the desert choose to keep their ancient lifestyles and customs,_______ people in cities
throw away their cultural traditions. [ ]
A. when
B. if
C. unless
D. while