下列哪个环境污染对遗传影响事例()。
A.光化学烟雾事件
B.痛痛病事件
C.胎儿性水俣病
D.黑脚病事件
E.伦敦烟雾事件
参考答案:C
Frank left school at 16, he still became a successful writer.
A.Ever since
B.In fact
C.After all
D.Even though
马蹄肾