在下列的Visual FoxPro表达式中,运算结果为字符型数据的是( )。A.

题型:单项选择题

问题:

在下列的Visual FoxPro表达式中,运算结果为字符型数据的是( )。

A.ABCD+"EF"="ABCDEF

B.1234-"34"

C.CTOD("05/08/03")

D.DTOC(DATE())>"04/03/02"

考点:计算机等级考试VISUALFOXPRO国家计算机二级(VF)71
题型:单项选择题

Is there anything more important than health? I don’t think so.“Health is the greatest wealth,” wise people say. __小题1:If you have a headache, toothache, backache, or bad pain in the stomach, if you complain of a bad cough, or if you suffer from high or low blood pressure, I think you go to the doctor.

The doctor will examine your throat, test your blood pressure, take your temperature, sound your heart and lungs, check your teeth or have your chest X-rayed. __小题2:The only thing you have to do is to follow his advice.小题3:

An old gentleman came to see the doctor.The man was very ill.He told the doctor about his weakness, memory loss and serious problems with his heart and lungs.The doctor examined him and said there was no medicine for his disease.He told his patient to go to a quiet place for a month and have a good rest.__小题4:In other words, the doctor advised him to follow the rule: “Eat at pleasure, drink with measure and enjoy life as it is.” The doctor also said that if the man wanted to be well again, he shouldn’t smoke more than one cigarette a day.

A month later the gentleman came into the doctor’s office.__小题5:.He thanked the doctor and said that he had never felt a healthier man.

“But you know, doctor,” he said, “it’s not easy to begin smoking at my age”

A.He also advised him to eat a lot of meat, drink two glasses of red wine every day and take long walks.

B.You can’t be good at your studies or work well when you are ill.

C.After that he will advise some treatment or some medicine.

D.All these will cost a lot of money.E.He looked cheerful and happy.

F.He was more worried about his illness.

G.Speaking about doctor’s advice, I can’t help telling you a funny story.

题型:单项选择题

下列Windows98桌面上图标的叙述中,错误的是( )。

A.所有的图标都可以重命名
B.图标可以重新排列
C.图标可以复制
D.所有的图标都可以移动

题型:单项选择题

论述选择润滑油(脂)的依据。

题型:单项选择题

右椎动脉起自那根血管()。

A.主动脉

B.无名动脉

C.右颈总动脉

D.右锁骨下动脉

E.右颈外动脉

题型:单项选择题

如图,在U形管中部c处装有半透膜,在a侧加入红色的细胞色素(相对分子质量为13000的蛋白质)的水溶液,b侧加入清水,并使a、b两侧液面高度一致。经过一段时间后,实验结果将是()

A.a、b两液面高度一致,b侧为无色

B.a、b两液面高度一致,b侧为红色

C.a液面低于b液面,b侧为红色

D.a液面高于b液面,b侧为无色

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