Our headteacher told us not to quarrel each other. Instead, we should get on well each other. A. at; at B. with; with C. at; with D. with;at 答案:B下列关于孟德尔发现遗传基本规律成功原因的叙述不正确的是A.选用豌豆为实验材料是因为其相对性状少易观察B.运用了单因子到多因子的研究方法C.应用统计学方法对实验结果进行分析D.设计了测交实验验证对性状分离现象的推测