【单选题】孟德尔在探索遗传规律时,运用了“假说——演绎法”,下列相关叙述不正确的是 [ ]
C.
为了验证作出的假设是否正确,孟德尔设计并完成了测交实验
D.
“F 1 能产生数量相等的两种配子”属于推理内容
【单选题】— How many foreigners come to China every year? — It's hard to say. ______people,I think.
【单选题】Many students have never been to China before and ______ any Chinese. [ ]
【单选题】图中甲、乙两条大河注入的海洋分别是 [ ]