低温环境对初生仔畜的影响大于成年畜禽。（）
参考答案：对
A team of American scientists has found a treatment to protect humans from the deadly H5N1 flu virus, ________ brings great ________ to the world.
A．that; appearance
B．which; relief
C．which; advantage
D．that; profit
人误食被新鲜粪便污染的蔬菜后可能感染（）
A.蛔虫
B.鞭虫
C.钩虫
D.蛲虫
E.以上都不可能
