给你的图书馆打电话“哎呀,我忘记水车是不是中国人发明的了!明天是星期一,要交作业了,怎么办呢?”十一岁的六年级学生丹尼一边自言自语,一边拿起电话,拨通了图书馆的热线。五分钟后,他满意地坐下来,开始写他的报告。晚上,丹尼把他的作业交给爸爸检查。“水车是什么样子的?”爸 Call your library “Oh, I forgot that the waterwheel was invented by the Chinese! Tomorrow is Monday, to pay for homework, how to do?” Eleven year-old sixth-graders denny side To speak, pick up the phone, dial the hotline of the library. Five minutes later, he sat down with satisfaction and began writing his report. In the evening, Danny handed over his homework to my dad for inspection. “What is the waterwheel?” "Dad