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Nobody is happy all the time, but some people are really happier than others. Here are some tips for you to be happy. Make enough money to meet your basic needs: food, shelter, and clothing. In the US, that magic number is $40,000 a year. Any money you make beyond that will not necessarily make you happier. Once you make enough money to support your basic needs, your happiness is not affected by how much money you make. ______________________________ Or move to where other members are-so you can see them more. Now, people follow jobs around the country and sometimes around the world. As a result, our relationships with our friends and family have a far greater impact (影响) on our happiness than our jobs do. So next time you think about moving, consider a place where most of your friends and families live. Find happiness in the job you have now. Many people expect (期待) the right job to change their level of happiness. But happiness research makes it clear that changing jobs can’t bring you happiness. If you want, you will make the best of any job. If you have good relationships with people, you won’t depend on (依赖) your job to give your life a greater sense of meaning. You will find it in your interactions with the people you care about. If you are unhappy for a long time, you should ask an expert (专家) or a doctor for help. I hope you will be happy all the time. 小题1:The writer wrote this passage mainly to _____________. A.make friends B.give suggestions C.put on an advertisement D.complain about your actions 小题2:The underlined word “interactions” means ____________. A.arrangement B.choice C.communication D.agreement 小题3:What is the title for the third paragraph? A.Ask family members for help. B.Borrow money from family members. C.How to make family members be happy. D.Stay close to friends and family.
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【简答题】在关系运算中,要从关系模式中指定若干属性组成新的关系,该关系运算称为______。
【判断题】中国人民的反侵略战争,激起了帝国主义列强的侵华野心。
A.
正确
B.
错误
【单选题】在窗体中添加一个命令按钮(名称为Commandl),然后编写如下代码。 Private Sub Commandl Click( ) a=0:b=5:c=6MsgBox a=b+cEndSub窗体打开运行后,如果单击命令按钮,则消息框的输出结果为( )。
A.
11
B.
a=11
C.
0
D.
False
【单选题】从关系模式中指定若干属性组成的新的关系,这种操作称为( )。
A.
选择
B.
投影
C.
连接
D.
【单选题】在窗体中添加一个命令按钮,然后编写如下代码: Private Sub Command1_Click( ) For i=l To 4 x=4 For j=1 To 3 x=3 For k=l To 3 x=x+6 Next k Next j Next i Print x End Sub 程序运行后,单击命令按钮,输出结果是
A.
7
B.
15
C.
21
D.
538
【简答题】在关系运算中,要从关系模式中指定若干属性组成新的关系,该关系运算称为 【6】 。
【简答题】在窗体中添加一个命令按钮(名为Command1),然后编写如下代码: Public x as integer Private Sub Command1_Click( ) x=5 Call s1 Call s2 MsgBox x End Sub Private Sub s1( ) x=x+10 End Sub Private Sub s2( ) Dim x as integer x=x+10 End...
【单选题】在窗体中添加一个命令按钮,名称为Command1;添加一个文本框,名称为Textl,然后编写如下程序: Private Sub Command1_Click( ) Dima(5),b(5) Forj:1 T04 s(j)=3*j b(j)=a(j)*3 Next j Textl.Text=b(j/2) End Sub 程序运行后,单击命令按钮,在文本框中显示
A.
25
B.
18
C.
36
D.
35
【单选题】从关系模式中指定若干属性组成新的关系的运算称为( )。
A.
连接
B.
投影
C.
选择
D.
排序
【简答题】从关系模式中指定若干个属性组成新的关系的运算称为
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