题目

The Belief of a Teacher When I say all children can learn,people sometimes misunderstand. They think I am saying that_41_you give a bright kid from a poor family good education,he can succeed.That's absolutely true,but that's not_42_I mean. I believe that all kids can learn,I believe it,I've seen it and I've even_43_it. Back in 1975 when I graduated,I worked for emotionally_44_kids,kids that everyone—_45——their parents—had given up on. What we would do was cook with the kids.These children didn't tell baking powder_46_table salt,but_47_they had eaten a warm biscuit,they wanted 下列有关细胞结构的说法中，正确的是A．将蓝细菌置于低浓度的纤维素酶溶液中，一段时间后蓝细菌可能会吸水胀破B．高等植物根细胞与低等植物叶肉细胞的细胞器种类差异表现在叶绿体上C．细胞膜上的X物质与双缩脲试剂反应呈紫色，则X物质有细胞识别功能D．抑制膜上载体蛋白活性或影响线粒体功能的毒素都会阻碍细胞对离子的吸收