生殖毒性
参考答案:是指外源化学物对雄性和雌性生殖功能或能力以及对后代产生的不良效应。
根据句意和首字母完成单词。
1.---How often do you watch TV?
------T__________ a week.
2 I drink milk e______ day.
3 They read English books three t______ a week.
4 ---What do they do on weekends?
-----They o_______ go to the movies.
5 --- What's your favorite p__________?
------It's Animal World.
6 ----How often do you shop?
----- I shop once a m________.
(2013)条形基础埋深3m,宽3.5m,上部结构传至基础顶面的竖向力为200kN/m,偏心弯矩为50kN·m/m,基础自重和基础上的土重可按综合重度20kN/m3考虑,则该基础底面边缘的最大压力值为()。
A.141.6kPa
B.212.1Pa
C.340.3Pa
D.180.5Pa