大鼠亚慢性毒性试验染毒期为
A.1天 B.14天 C.90天 D.12个月 E.24个月
参考答案:C
Despite such a big different in the _____ towards what one eats, there is no doubt that people in the west
regard Chinese food as something special. [ ]
A. point
B. idea
C. attitude
D. sight
剧场民间舞以舞台表演为目的,故须尊重()表演的规律,在审美上高于()中以自娱为目的的广场民间舞。