I like candies but I don’t eat now.
A:eating; it
B:eating; them
C:to eat; it
D:to eat; them
下列各项关于人的生殖发育的叙述,错误的是( )
①睾丸产生精子,分泌雄性激素 ②胎儿通过脐带与母体进行物质交换 ③怀孕8周胎儿呈现出人的形态
④输尿管输送精子,输卵管输送卵细胞 ⑤精子和卵细胞在子宫形成受精卵.
美国推行马歇尔计划的最根本的动机是( )
We should divide the waste into different groups before ____ it ____.