电子钱包的高级功能包括()。 A.管理账户信息 B.管理电子证书 C.处理交易纪录

题型:多项选择题

问题:

电子钱包的高级功能包括()。

A.管理账户信息

B.管理电子证书

C.处理交易纪录

D.联接商家与银行网络的支付网关

考点:经济学电子商务电子商务题库
题型:多项选择题

mdb”数据库中有班级、教师授课、教师档案和课程四张表。
(1)以教师档案表为数据源,创建参数查询“教师编号查询”,实现输入教师编号显示教师的全部信息。参数提示为“请输入教师编号”。查询结果如图所示。


(2)以班级、教师授课、教师档案和课程四张表为数据源,创建查询“查询1”,查询计算机软件班级所开课程和相应课程的教师姓名。查询结果显示班级名称、课程名称和姓名字段。查询结果如图所示。


题型:多项选择题

病例对照研究中,选择偏倚不包括

A.入院率偏倚

B.回忆偏倚

C.检出症候偏倚

D.无应答偏倚

E.错误分类偏倚

题型:多项选择题
下图是一正弦交变电流的电流图象.此正弦交变电流的频率和电流的有效值分别为(  )

A.5Hz,10A

B.50Hz,10A

C.50Hz,10 A

D.5Hz,10 A

题型:多项选择题

It is a hot summer day,and you feel thirsty.A friend gives you a glass of cold lemonade.How do you feel when you see the glass? Will you describe your feeling as happiness or as pleasure? I believe you will say it is a feeling of pleasure.There is a connection between these two kinds of feelings,and sometimes one causes the other,but they are not the same.Pleasure is a more dependent on the five senses while happiness is independent of them.   

When you are happy,little unpleasant events usuallv do not disturb you.When you are unhappy,you feel as if everything is against you.You may compensate for it by eating chocolate and sweets because this gives you pleasure,yet you stay unhappy.A person may smoke cigarettes because it gives him pleasure,yet this does not make him happier,especiallv if he knows the fact that it is not good for his heahh.   

The physical world is always in a changing state.At each moment a new thing is being created,changed,transformed and then destroyed.This is the normal state of things and no one  can change it.If we stay still in a certain state,we are sure to experience unhappiness sooner or later.0n the other hand, if

we adjust to the environment,nothing can influence our moods.Then outer events have nothing to do with our inner joy of mind.  

The room of the mind is filled with worry or fear.If you are free of thinking about them,the room has been emptied,and  then you will see what is happening and experience it.When your mind stays quiet,you will see that happiness comes from the inside.   

小题1:What does the underlined phrase”compensate for“in Paragraph 2 most probably mean?  

A.to make a suitable payment for

B.to let out your anger for

C.to provide with a balancing effect for

D.to solve the problems for小题2:According to the passage,in which of the following situations can you feel happy?  

A.A friend gives you a glass of cold lemonade when you feel thirsty.

B.You eat chocolate and sweets when you feel as if everything is against you.

C.Smoke cigarettes even though you know the fact that it is not good for your health.

D.You are free from worry or fear when your mind stays quiet.小题3:We call learn from the passage   

A.happiness is more dependent on the five senses

B.pleasure sometimes arouses happiness

C.you feel happy when nothing around you changes in a certain state

D.you feel unhappy because you have to adjust to the environment小题4:Which can be the best title for the passage?    ]

A.Pleasure Leads to Happiness

B.Happiness Changes Us

C.Happiness Is Within Us

D.Stay a Quiet Mind

题型:多项选择题

广告的行为层级效果测定包括()。

A.广告到达率测算

B.广告影响的实际购买率测算

C.广告产生效益测算

D.广告促进增长速度测算

E.广告知名率测算

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