下列说法正确的是( ) A.活化分子每一次碰撞都能发生反应. B.反应物用量增加

题型:选择题

问题:

下列说法正确的是(  )

A.活化分子每一次碰撞都能发生反应.

B.反应物用量增加有效碰撞次数增多反应速率增大.

C.有能量的分子叫活化分子.

D.当碰撞的分子具有足够能量和合适的取向,才能发生化学反应

考点:影响化学反应速率的因素
题型:选择题

Name: Martin Lee
School: New Star High School
Grade: 8 Term ending: 6th , June
Maths
He is very hard working. But the ways of learning need improving.
Science
He can work out many difficulties, but sometimes is a little careless.
English
He’s the best in the class.
Spanish
His reading is very good, he can remember many words.
History
He knows so much about historical heroes.
Students like to talk with him about them.
Geography
He’s not so good at this, but has done better than before.
Music’
He is a little shy. He’s afraid of singing before the class. But his voice is not bad.
Art
He’s a little lazy. More work is needed next term.
Remarks(评语): Martin has the ability to do a lot better.
Class teacher: Lucy
School reopens: 5th, September
小题1:After reading this chart, we know it is ______.
A. a teaching plan of Lucy
B. a studying plan of Martin
C. a school report of Martin
D. a working plan of Lucy
小题2:Which of the following subjects is not mentioned(提及) in the chart?
A.ChineseB.MusicC.MathsD.Art
小题3:Martin’s best subject is _____.
A.ScienceB.EnglishC.MusicD.Spanish
小题4:Martin is not so good at_____.
A. Art and maths.
B. Spanish and Geography
C. History and Science
D. English and music
小题5:According to the form, in how many days will the school open again?
A.59B.85C.90D.100
题型:选择题

2007年1月,某村民小组里有150名村民自发以每人入1股,每股1万元,共同组建了新型农村股份合作经济组织,2010年该组织总资产为648万元,拥有物业2.3万平方米,其中厂房2.24万平方米,店铺600平方米。该村民小组组建的新型农村股份合作经济组织每年收入260万元,扣除相关费用外,每年盈利168万元,2007年每股分红2600元,在2008-2010年每股分红分别是2700元、2800元、3000元,经济效益十分可观。在股权管理上,该社实行“人走权失”、新增户籍人口赋权等股权非固化管理办法。2007-2010年股东没有变化。

2007年该村民小组组建的新型农业股份合作经济组织按股份分红与盈利的比例是()。

A.23.2%

B.24.1%

C.25.0%

D.26.8%

题型:选择题

持证作业人员以考试作弊或者以其他欺骗方式取得《特种设备作业人员证》的,吊销《特种设备作业人员证》,1年内不得再次申请.

题型:选择题

网络集线器在向上向下扩充能力上有差异。向上是指连接 【2】 ,向下是指桌面系统的扩充能力 (交换及共享以太网)。

题型:选择题

某银行基本上稳健,但存在一些可以在正常业务经营中改正、性质不重的弱点。该银行具有良好的抵御经营环境起伏变化的能力,但是存在的弱点继续发展可能产生较大问题。在CAMELs综合评级中,该银行应属于( )。

A.综合评级1级

B.综合评级2级

C.综合评级3级

D.综合评级4级

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