题目

医院里检验病人患某种疾病的方法是将病人的尿液滴加在硫酸铜和氢氧化钠的混合液中，加热后有红色沉淀生成，说明病人尿液里含(    )A.脂肪               B.乙酸               C.葡萄糖                D.淀粉 答案：解析：葡萄糖分子中含有—CHO，与新制Cu(OH)2共热有砖红色沉淀生成。答案：C用适当的介词填空（1）The Hope Project has built many schools big classrooms and libraries.（2）Paris is the largest cities in the world.（3）I regard you my best friend.（4）No one can be successful hard work.（5）Did you see an old tree across the old house?（6）We can't pass the exam we study hard.（7）Could you tell me something interesting the old man?（8）The young girl has been to ten countries five years ago.