初三年英语精选单选题错题100题内容摘要:
othing.. on 45 Has your teacher given you any advice______ your study? A in B to C on D with 46 It`s bad manners to laugh _____ others when they are _____ trouble. A at ,in B over ,at C with ,on D to, with 47 Betty doesn`t have enough money to buy that coat. It`s very ___. The price is too_____. A high, high B expensive, expensive C expensive, high D high, expensive 48 This kind of glasses manufactured by experienced craftsmen ______fortably. A wearing B wear C wears D is worn 49 The diamond is _________. A very valuable B of great value C great value D A or B 50 Behind the dancer there was a woman _______a large diamond ring. A carrying B dressing C wearing D having 51 The young teacher who has a ____face can make his classes ____and interesting. A lovely, lively B lovely, lovely C likely, friendly D uglily, lively 52 They were still _____their friends after their child`s long illness. A in debt to B in the debt to C in debt with D in the debt with 53 _______, my brother passed the exam. A To my great joy B To my great surprised C With my joy D With my surprise 54 I am all tears, ____,I am listening to you with all attention. A in another words B in the other words C with other words D in other words 55 He started early _______he could get there before nine. A in order that B because C so as to D in order to 56 As you know, whether the person will be elected president is matter of ___interest. A general B mon C ordinary D mostly 57 I _______ by his story that he made up. A was taken on B was taken out C was taken in D am taken in 58 He didn`t go into detail on the subject ,he spoke ______. A in general B in particular C in mon D in short5 59 We designed the machine _____the purpose _______production. A for, of increasing B with, of increasing C for, to increase D A or B 60 Hospital doctors don`t go out very often as their work ____all their time. A takes away B takes in C takes over D takes up 61 We offered him our congratulation ____his passing the entrance exam. A on B for C with D at 62 My mother _____classical music while I am ____rock music. A is fond of, in B likes, like C is interested in。 into D interests。 enjoy 63 We each _____ strong points and each of us on the other hand _____weak points. A have, have B has, have C has, has D have, has 64 He is one of the students who, I am sure, always do ____ best. A his B one`s C my D their 65 The police ____determined to bring back the missing boy。初三年英语精选单选题错题100题
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(2)一种碱 (3)一种酸性氧化物 (4)一种正盐 (5)一种酸式盐 (6)一种碱性氧化物 (7)一种具有还原性的气体 13.指出下列符号中“ 2”的意义: (1)2Na+ (2)CO32 (3)Cl2 (4)H2SO4 (5)MgO 14.按下列要求,填写对应物质的化学式或主要成分的名称: (1)少量存在于人体胃液中 ,能帮助消化的是 ,若胃酸过多,可服用含有 的药物中和胃酸。
;属于碱类的是 ;属于酸类的是。 质在溶液里的电离方程式: 盐酸 氢氧化钡 碳酸钠 氢氧化钙 硫酸铜 硝酸 (空白处写出相应的化学式)。 H+ Na+ K+ Ag+ Ca2+ Ba2+ Fe3+ OH– / / Cl– NO3– SO42– 三、用化学符号表示下列微粒 钾离子 铵根离子 铜离子 银离子 镁离子 亚铁离子 碳酸根离子 硫酸根离子
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