下述说法中正确的是[ ] A.在水电解的反应中,氢原子和氧原子都没有发生变化 B

题型:选择题

问题:

下述说法中正确的是[ ]

A.在水电解的反应中,氢原子和氧原子都没有发生变化

B.物质在变化中所表现出的性质,就是物质的化学性质

C.水电解生成氢气和氧气,说明水中含有氢分子和氧分子

D.水的蒸发和水的电解都生成气体,它们都是化学变化

考点:电解水实验物理变化和化学变化的特征和判别物理性质和化学性质的区别和应用
题型:选择题

Joe wanted a computer. He asked his ______ for the money and they said he must get it himself. But how did he get it? He ________ about this when he walked home. Not many people wanted to ask children to work for them. Maybe he could take away snow for the neighbors. But this was not _______ . He had to wait a long time for that. He couldn’t cut grass for their gardens _____ he had no tools to do the work with.

Then he saw one of his classmates, Dick, delivering (送) _______ . I could do that, he thought. Maybe I could even get the computer ________ away. I could pay _______ it a little each week. He ran to _______ up with Dick. Joe asked him a lot of questions. He learned that it was _______ to get twenty-five dollars each week. He learned that the job took __________ three hours each night. Dick ______ him the phone number of the newspaper manager.

Joe almost flew home. After he had told his mother ________ he thought, she _____ .“I think it is a _______ idea,” she said, “I’ll call the newspaper….”

“Wait, Mum,” Joe said, “I’ll call. After that, I’m going to be a businessman now.”

Joe’s mother smiled __   .

小题1:

A.teachers

B.parents

C.classmates

D.friends

小题2:

A.said

B.told

C.thought

D.spoke

小题3:

A.spring

B.summer

C.autumn

D.winter

小题4:

A.because

B.when

C.while

D.after

小题5:

A.newspaper

B.bikes

C.computers

D.tools

小题6:

A.now

B.right

C.just

D.only

小题7:

A.on

B.to

C.of

D.for

小题8:

A.take

B.catch

C.carry

D.get

小题9:

A.friendly

B.kind

C.possible

D.wrong

小题10:

A.at

B.about

C.before

D.after

小题11:

A.taught

B.gave

C.made

D.asked

小题12:

A.that

B.when

C.what

D.where

小题13:

A.smiled

B.shouted

C.cried

D.worried

小题14:

A.big

B.large

C.great

D.bad

小题15:

A.sadly

B.happily

C.politely

D.angrily

题型:选择题

窗体上有一个名称为Text1的文本框,一个名称为Command1的命令按钮。窗体文件的程序如下: Private Type x a As Integer b As Integer End Type Private Sub Command1_Click() Dim y As x y.a=InputBox("") If y.a\2=y.a/2 Then y.b=y.a*y.a Else y.b=Fix(y.a/2) End If Text1.Text=y.b End Sub 对以上程序,下列叙述中错误的是()。

A.x是用户定义的类型

B.InputBox函数弹出的对话框中没有提示信息

C.若输入的是偶数,y.b的值为该偶数的平方

D.Fix(y.a/2)把y.a/2的小数部分四舍五入,转换为整数返回

题型:选择题

UP(统一过程)是用例驱动的、以架构为核心、迭代和增量的软件过程框架,它提供了()的特性。

A.演进

B.敏捷

C.测试驱动

D.持续集成

题型:选择题

根据忌装原则,干电池与酸性货物的忌装要求是()。

A.不相邻

B.不同舱装载

C.不同舱室装载

D.可以同舱室但不能相邻

题型:选择题

(一)
某市鸿福家园小区内道路损坏较为严重,需进行改造。该小区现无其他资金,只有建筑物及其附属设施的维修资金,在道路改造时,业主委员会决定一并对部分门禁系统进行更换,并将改造后的道路划出一定的停车位,使用车位的车主必须缴纳一定的费用,但对这一收益未约定分配办法。

有关车位所获收益的分配,下列表述正确的是( )。

A.由物业公司决定
B.由业主委员会决定
C.按业主户数均等分配
D.按业主专有部分的比例分配

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