题目

请根据图中A，B，C三种物质的溶解度曲线，回答下列问题： （1） 温度越高，溶解度越小的物质是（填写代号）； （2） 现有A，B，C三种物质的浓溶液，适用海水晒盐原理进行结晶提纯的是（填写代号）； （3） 当溶液的浓度都用溶质的质量分数（m）表示时，下列说法中不正确的是． ①t1℃时，A，C两种物质的溶解度相等，两种溶液的浓度也相等②t1℃时，A，B，C三种溶液的浓度可能相等③将t2℃的A，B，C三种饱和溶液的温度分别降Each of us makes mistakes from time to time. In fact, we can____a lot from our mistakes.Donnie was a____student and never answered questions in class. He was____to make mistakes. He never finished his homework____he didn’t want to make any mistakes. Nothing changed____Marry Anne, a teacher, came to our____One morning, Marry Anne asked Donnie to____some questions. After a while Donnie was in tears because he made a mistake.____Marry Anne got a box full of erasers from the desk.“Look, Donnie,” she said standing____him. “I’ve got something to show you.” She____the erasers, one at a time, and put them on the desk. “See these erasers, Donnie?” she continued. “Do you know____the erasers become smaller and smaller? That’s because we make mistakes. But we erase the mistakes and try____That’s what you must learn.”“Here,” she said, “I’ll____one eraser on your desk, so you will remember that____may make mistakes.” Donnie looked at Marry Anne and smiled.Donnie____a lot from then on. He knew that everyone had the permission（允许） to make mistakes as long as you learned them and tried again.1.A. take B. make C. get D. bring2.A. good B. shy C. clever D. small3.A. glad B. excited C. surprised D. afraid4.A. because B. so C. if D. but5.A. after B. while C. until D. when6.A. row B. class C. team D. classroom7.A. answer B. ask C. give D. have8.A. Suddenly B. Unluckily C. Luckily D. Carefully9.A. on B. with C. beside D. to10.A. put out B. took away C. took out D. took off11.A. when B. how C. what D. why12.A. more B. again C. another D. one13.A. forget B. carry C. leave D. take14.A. nobody B. somebody C. no one D. everybody15.A. change B. got C. learned D. thought 1.C 2.B 3.D 4.A 5.C 6.B 7.A 8.A 9.C 10.C 11.D 12.B 13.C 14.D 15.A 【解析】试题分析：短文大意：本文讲述一个非常害羞的小男孩Donnie因为害怕犯错误，从来不敢回答问题。这种现状却在来了一位新老师Marry Anne后而改变了，这位老师以一块橡皮...