2022高二英语周报第10期答案

2.B【解析】原生质体的伸縮性较大,而细胞壁的仲缩性较小,两者的体积变化不等,A错误基质、线粒体和关,D正确细胞壁是全透性的,蔗糖和水都能自由进出细胞壁,B正确;随着质壁分离程度增大,鳞片叶表皮细胞的吸水能力越强,C错误;水分在该实验进出细胞的方式为自由扩散,D错误。能形成渴觉,A错误;若下丘脑产生激素通过血液循

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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