2020—2022英语周报九年级新目标答案

答案】).B(2).4-(3)能【解析】分析解】()[1实验需要测量A和B之间的距离,所以需要用刻度尺。因为没有记录小球过光电门的时间所以不需要测量小球直径,故不要游标卡尺。故选B(2)2]设过A时的速度为",从A运动到B,有内=十g2h2=吃2 g12解1-12(3)3]到过来分析,小球以相同的速度从B点竖直上抛,同理亦可以测得

One possible versionSeveral minutes later, the ice broke suddenly and Harry's feet sank into the water. It was noep, but his legs got wet to the knees. Harry was so upset that the accident would delay hisschedule. He had to find some firewood to build a fire to dry his clothes. He pulled off his glovestook out his matches, and lighted the fire. Seeing the burning fire, he had thought he was safe. Butsuddenly, without warming, a heavy mass of snow dropped down. The flame of hope was put outUnluckily, his dog ran away and the fear of death came over Harry. He had no choice but torun to save himself. However, he did not feel his feet when they hit the ground. Having falleneveral times, he decided to rest a while. As he lay in the snow, he noticed he was not shaking. Hecould not feel his nose or fingers or feet. A feeling of horror came into his mind. It was when herealized he was going to die that he heard a bark and the noise his friends made

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