单选题:水生被子植物茎的结构特征是( )。 题目分类:初中生物 题目类型:单选题 查看权限:VIP 题目内容: 水生被子植物茎的结构特征是( )。 A.木质部发达 B.通气组织发达 C.表皮形成根毛 D.机械组织发达 参考答案: 答案解析:
Shenzhen has passed a new law to ban smoking in public, whi Shenzhen has passed a new law to ban smoking in public, which canthecivilizatio 分类:初中生物 题型:单选题 查看答案
It was not until he came back_________he knew the police we It was not until he came back_________he knew the police were looking for him.A 分类:初中生物 题型:单选题 查看答案
请阅读短文,完成第题。 More and more gadgets seek to replicate the sort 请阅读短文,完成第题。 More and more gadgets seek to replicate the sorts of things your m 分类:初中生物 题型:单选题 查看答案
How should the teacher deal with students' writing errors? How should the teacher deal with students' writing errors?A.Teachers should limi 分类:初中生物 题型:单选题 查看答案
“小肠结构”是初中生物的重点和难点,为了更好地理解小肠皱襞和绒毛为什么能增大吸收面积,教师给学生准备了纸板、布(或纸)、 “小肠结构”是初中生物的重点和难点,为了更好地理解小肠皱襞和绒毛为什么能增大吸收面积,教师给学生准备了纸板、布(或纸)、胶水、胶布、剪刀等材料,让学生以小组为单 分类:初中生物 题型:单选题 查看答案