2022英语周报 OT 15答案

1C解析:本题考查实验操作与现象的判断。向MsCl、ALC溶液中分别滴加氨水均生成白色沉淀,实验现象一致,无法证明A(OH)3具有两性,A项错误若溶液中的铵根离子浓度较小,不加热时生成的氨气不能挥发出来则湿润的红色石蕊试纸未变蓝不能说明该溶液中不含NH,B项错误:将少量某酸(HA)溶液滴入碳酸钠溶液中可能产生 NaHCO3,无法判断HA与H1CO2

第三节One possible wersionParagraph 1I was tired. My arms were really heavy and I felt as ifthey were on fire. We were made up and down by thewaves.I didnt know how much longer I could pull that oarthrough the water. As if he heard my thinking, my fathercalled to me, "I need you, Karl. Only a little longer. "Soi kept pulling. Just when I thought I had no more strengthI heard it- the sound of waves breaking against the shoreIt refreshed us greatly and we kept pulling. At last wemoved into the shelter with all the herringParagraph 2My mother rushed through the rain to greet us."Ivebeen so worried, she said. She hugged me tightly andthen my father. Nothing to worry about, "he assured herHe put his hand on my shoulder. "You did well, son. Howdo you feel? " Tired as I was, I managed a smile."FineAnd Daddy, you ar

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