题目

 下列图示与对应的叙述相符的是(    ) A. 图I表示某吸热反应分别在有、无催化剂的情况下反应过程中的能量变化 B. 图Ⅱ表示常温下，溶液滴定溶液所得到的滴定曲线 C. 图Ⅲ表示一定质量的冰醋酸加水稀释过程中，溶液的导电能力变化曲线，图中a、b、c三点醋酸的电离程度： D. 图Ⅳ表示反应，在其他条件不变的情况下改变起始物CO的物质的量，平衡时的体积分数变化情况，由图可知NO2的转化率阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项。I put my sunglasses on and took a deep breath．With her hand held in mine, we started walking down the street to her first day of school．I knew that she would be crying; she always cries when she is anxious about new .As we walked, she asked, “ What if talks to me?”“ I know that your will talk to you．She’ll help you find your seat and she’ll even you all to each other．And you already know two friends in the class from preschool．They are too, I bet.”She and started to play with her backpack strap．It’s the backpack that we spent 20 minutes up the night before．And the same one she slipped her small stuffed animal puppy into she thought I wasn’t looking this morning.“ What if I get shy and can’t talk to anyone?”“ You might feel shy at first,” I said to her, “ give yourself a little time and you’ll realize that you are having fun and feeling more .”She looked up at me and smiled, as we waited at a stop sign．“ I’m but really excited.”“ What are you most excited for?”“ .”I laughed because this was the same girl who weeks before told me she was .from running one block down the street and needed to rest and drink water to .As we turned the corner, her face dropped．The massive group of students gathered everywhere overwhelmed her and her face fell as the tears swelled up in her eyes.“ You can do this, sweetie．Everyone has a place to queue up in let’s go find yours.”We lined up with her class and just as she was about to cling to my leg , her friend from preschool stood next to her．In a second, she ．As the teacher began to walk them all into the school, she was not , not holding onto me, but smiling．I held my husband’s hand, feeling happy and proud．1.A． tightly B． naturally C． casually D． carefully2.A． expectations B． experiences C． senses D． exercises3.A． no one B． someone C． anyone D． everyone4.A． sister B． teacher C． friend D． classmate5.A． report B． recommend C． mention D． introduce6.A． crazy B． nervous C． curious D． cautious7.A． looked away B． looked on C． looked up D． looked over 8.A． washing B． finishing C． packing D． keeping9.A． although B． unless C． until D． when10.A． so B． but C． or D． and11.A． comfortable B． familiar C． worried D． delighted 12.A． sick B． scared C． tired D． shocked13.A． P.E． B． English C． Chinese D． Maths14.A． free B． prevented C． exhausted D． separated15.A． refuel B． recycle C． reform D． reassure16.A． eventually B． slowly C． instantly D． constantly17.A． school B． class C． line D． seat18.A． naturally B． surprisingly C． roughly D． desperately19.A． lit up B． gave in C． came out D． turned over20.A． whispering B． crying C． shouting D． jumping