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【简答题】
Dear Harry Potter, Hi! I'm Kevin from India.I really feel lucky to write you a letter. Though I live far away from your world, I think we are a little alike, You are a great wizard(魔术师) .You have done lots of magical things to be amazed at.Although I don't do magic, I do believe in it.Well, I'm also a wizard at school.And I can often get As, but I am not a bookworm.I like to play jokes in class, which sometimes make my teachers angry.I also have many friends.They often get me into and out of trouble.No matter what has happened, we still get close together. Oh, I almost forget to tell you that our school is almost like yours, Hogwarts.It's a special one for excellent students.We have modern classes and technology lessons.But when much is given, much is expected, so I often stay up late just to finish my homework.It really makes me tired and bored. Luckily, I can read your stories in my free time.I feel like I know you.You have a mind of your own.You are young, but you know how to take responsibility for your decisions.Also you think with a clear head even in danger.What a great boy you are ! How I wish I could meet you soon! May you have a nice time. yours, Kevin 68.Kevin and Harry are a little alike because_______. A.they almost have the same experience                 B.their worlds are full of magic C.their schools are close to each other                            D.they both like the same subjects. 69.In the passage, 'a bookworm' means a person_______. A.who likes keeping worms                            B.who is loved by teachers at school C.who is nervous of reading books                  D.who enjoys nothing but reading 70.From the passage we know that Kevin_______. A.is a slow boy in class                                        B.is fed up with much homework C.doesn't believe in magic                               D.likes to keep quiet in class 71.Kevin writes to Harry to tell him many things EXCEPT_______. A.his friends      B.his school life        C.his trouble     D.his family
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【简答题】车辆段的主要设施包括哪些?
【单选题】下列叙述的实验能达到预期目的的是      (    ) 选项 实验内容 实验目
A.
滴定实验中,用待测液润洗锥形瓶2~3次 避免造成实验误差
B.
向氯水滴加AgNO 3 、稀HNO 3 溶液,产生白色沉淀 验证氯水中含有Cl -
C.
向盛有沸水的烧杯中滴加饱和氯化铁溶液并长时间煮沸 制备氢氧化铁胶体
D.
向2mL 1mol· L -1 NaOH溶液中先加入3滴1mol· L -1 MgCl 2 溶液,再加入3滴1mol· L -1 FeCl 3 溶液 证明Mg(OH) 2 沉淀可以转化为Fe(OH) 3 沉淀
【多选题】车辆段及综合基地包括( )和必要的生活设施。
A.
车辆段
B.
综合维修中心
C.
材料总库
D.
培训中心
【单选题】下列依据实验目的所设计的实验操作中,正确的是
A.
实验目的:检验NaCl中含有Na 2 CO 3 ;实验操作:加水溶解
B.
实验目的:鉴别NaOH和Ca(OH) 2 溶液;实验操作:加Na 2 CO 3 溶液
C.
实验目的:除去CaO中的CaCO 3 ;实验操作:加足量稀盐酸
D.
实验目的:除去CO 2 中的CO;实验操作:通入足量 NaOH溶液
【单选题】(2010年下半年试题15)程序运行过程中,把函数(或过程)调用与响应调用所需要的代码相结合的过程称为( )。
A.
语义分析
B.
代码连接
C.
静态绑定
D.
动态绑定
【多选题】车辆段综合基地包括()和必要的生活设施。
A.
车辆段
B.
综合维修中心
C.
材料总库
D.
培训中心
【判断题】工作分析的成果是工作说明书和工作分析报告。
A.
正确
B.
错误
【多选题】车辆段及综合基地包括( )和必要的生活设施
A.
车辆段 ‍
B.
综合维修基地
C.
材料总库
D.
教育培训中心
【简答题】指出下列各图中有关氧气的实验装置或实验操作中的一处明显错误. (1)发生        (2)收集   (3)验满 (4)铁丝燃烧 (1) ; (2) ; (3) ; (4) 。
【简答题】( P47 )简述双倍余额递减法的定义。
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