为防止部分学生考试时用搜题软件作弊，命题组指派5名教师对数学卷的选择题、填空题和解答题这3种题型进行改编，则每种题型至少指派一名教师的不同分派方法种数为（   ）

在国际单位制中，电压的单位是（   ）

下表中有关人体细胞化合物的各项内容，正确的是（　　）

编号	化合物	实验检测		组成单位	主要功能
		检测试剂	颜色反应
①	脂肪	苏丹Ⅲ染液	橘黄色	脂肪酸	储存能量
②	糖原	斐林试剂	砖红色	葡萄糖	提供能量
③	蛋白质	双缩脲试剂	紫色	氨基酸	承担生命活动
④	核酸	甲基绿染液	绿色	核苷酸	携带遗传信息

一个置于水平地面上的物体受到的重力为G，当用力F竖直向下压它时，它对地面的压力等于（   ）

选词填写    Thomas Edison was a great American inventor（发明家）. When he was a child, he was always ____ questions and trying out new ideas. No matter how hard it was, he never gave up.
    Young Tom was in school for only three months. His teacher didn't understand why he had ____ many strange questions. Most of them were not about his lessons. The teacher didn't want to teach Tom any ____ . He asked Tom's mother to take the boy home. Tom's mother____ him to read and write, and she found him be a very good pupil. He learnt very fast and became very ____ in science.