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Dearest Mom and Dad, I'm afraid I have some very bad news for you. I have been very naughty and the school principal is very angry with me. She is going to write to you. You must come and take me away from here. She does not want me in the school any longer. The trouble started last night when I was smoking a cigarette in bed. This is against the rules, of course. We are not supposed to smoke at all. As I was smoking, I heard footsteps coming towards the room. I did not want a teacher to catch me smoking, so I threw the cigarette away. Unfortunately, the cigarette fell into the waste-paper basket, which caught fire. There was a curtain near the waste-paper basket which caught fire, too. Soon the whole room was burning. The principal phoned for the fire department. The school is a long way from the town and by the time the fire department arrived, the whole school was in flames. Many of the girls are in the hospital. The principal says the fire was my fault and you must pay for the damage. She will send you a bill for about a million dollars. I am very sorry about this. Much love, Sarah P.S. None of the above is true, but I have failed my exams. I just want you to know how bad things could have been! 小题1:Sarah wrote to her parent______ A. to inform them about an accident B. to ask them for money C. to them wonderful news D. to tell then she had failed her exams 小题2:Sarah told her parents the story about the fire because______ A.she wanted to make them worried B.she wanted them to have some fun C.she wanted to make them less angry at the real news D.she wanted to make them even more angry 小题3:The main body of the letter was_____ A.mostly true B.partly true C.all true D.completely untrue 小题4:Sarah said the principal was angry because____ A.she had failed her exams B.it was her fault that the fire had broken out C.she not make the phone call in time D.she had caught her smoking in bed
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【单选题】理想气体反应N 2 O 5 (g) = N 2 O 4 (g) + (1/2)O 2 (g) 的 为 41.84 kJ.mol -1 , = 0,试问增加 N 2 O 4 平衡产率的条件是 。
A.
降低温度;
B.
提高温度;
C.
提高压力;
D.
等温等容加入惰性气体。
【多选题】关于位似函数,下面正确的是:
A.
对齐次函数的单调变换得到的函数;
B.
位似函数通常不具有齐次函数的属性;
C.
位似函数的变量间的隐形替代关系,都只取决于这些变量之间的比例,而 不是它们的决定数值;
D.
位似函数是线性函数。
【多选题】理想气体反应N2O5(g)=N2O4(g)+1/2O2(g)的ΔrHmƟ为41.84 kJmol-1,ΔrCp,m=0,试问增加N2O4平衡产率的条件是
A.
提高温度
B.
降低温度
C.
降低压力
D.
等温等压加入惰性气体
【单选题】理想气体反应N 2 O 5 (g)== N 2 O 4 (g)+1/2O 2 (g)的 D r H 为41.84kJ × mol -1 , 。要增加N 2 O 4 (g)的产率可以
A.
降低温度;
B.
提高温度;
C.
提高压力;
D.
定温定容加入惰性气体。
【简答题】“責”的形旁是( ),声旁是( )。
【单选题】袁水拍的《马凡陀的山歌》属于( )
A.
叙事诗
B.
枪杆诗
C.
. 政治抒情诗
D.
政治讽刺诗
【单选题】下面关于细胞膜的叙述,不正确的是 ( )
A.
膜的基架为脂质双层,其间镶嵌不同结构和功能的蛋白质
B.
其功能很大程度上取决于膜上的蛋白质
C.
水溶性高的物质可自由通过
D.
脂溶性物质可以自由通过
E.
膜上脂质分子的亲水端朝向膜的内、外表面
【单选题】理想气体反应 N 2 O 5 (g) == N 2 O 4 (g) + 1/2O 2 (g) 的 Δ f H m θ 为 41.84 kJ/mol ,要增加 N 2 O 4 (g) 的产率可以() 。
A.
降低温度
B.
提高温度
C.
提高压力
D.
定温定容加入惰性气体
【单选题】信用-忠诚矩阵中首选发展的客户是( )
A.
明星客户
B.
黄金客户
C.
风险客户
D.
垃圾客户
【单选题】理想气体反应N 2 O 5 (g)→N 2 O 4 (g)+0.5O 2 (g) 的 为41.84kJ/mol,△C p =0,若要增加N 2 O 4 的产率可以( )
A.
降低温度
B.
升高温度
C.
增大压力
D.
等温等容加入惰性气体
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