在下列所示遗传系谱图中,不可能为伴X染色体隐性遗传的是()
A.①③
B.②④
C.①④
D.②③
参考答案:D
Cindy is _________amazing singer. She has lots of fans. [ ]
A. a
B. an
C. the
D. /
《人标》规定不准在哪些地方坐卧休息、乘凉、避风、雨、雪、歇息或滞留?