下列描述中正确的是A.多重继承中,不同父类中不能有同名成员 B.多重派生中,所有父类

题型:单项选择题

问题:

下列描述中正确的是

A.多重继承中,不同父类中不能有同名成员

B.多重派生中,所有父类的派生方式必须相同

C.多重派生的子类不能再派生子类

D.上述三种说法都不对

考点:计算机等级考试C++二级C++笔试
题型:单项选择题

Thomas Edison lit up the world with his invention of the electric light. Without him, the world might still be in the dark. However, the electric light was not his only invention. He also invented the motion picture camera and 1200 other things. About every two weeks he created something new.

Thomas Edison was born in 1847. He attended school for only three months. His mother taught him at home, but Thomas was mostly self-educated. He started experimenting at a young age.

When he was 12 years old, he got his first job. He became a newsboy on a train. He did experiments on the train in his spare time. Unluckily, his first work experience did not end well. They fired him when he accidentally set fire to the floor of the train. Then Edison worked for five years as a telegraph operator, but he continued to spend much of his time in experimenting his first patent(专利权) in 1868 for a vote recorder run by electricity.

Thomas Edison was totally deaf in one ear and hard of hearing in the other, but he thought of his deafness as a blessing in many ways. It kept conversations short, so that he could have more time for work. He always worked 16 out of every 24hours. Sometimes his wife had to remind him to sleep and eat.

Thomas Edison died at the age of 84. He left a great many inventions that greatly improved the quality of life all over the world.

小题1:How often did Edison make a new invention?

A.About every fourteen days

B.About every seven days

C.About once a week

D.About twice a week小题2:The underlined word “fired” in the passage means “__________”

A.Gave somebody a job

B.Set fire to somebody

C.Let somebody down

D.Forced somebody to leave his job小题3:Edison considered his deafness as______.

A.something bad

B.a gift from god

C.a kind of ability

D.a disadvantage小题4:which of the following sentence is NOT true according to the passage?

A.Edison had only 8 hours rest each day after his deafness

B.Edison got his education mostly by self-teaching

C.Edison had his first job in 1869

D.Edison’s inventions greatly improved the quality of people’s life小题5:What does the passage mainly talk about?

A.The function of the electric light

B.Edison and his experiments

C.The importance of inventions

D.The whole life of Edison.

题型:单项选择题

胃溃疡合并完全性幽门梗阻,手术前准备最重要的是()

A.口服液状石蜡

B.口服肠道制菌剂

C.静脉营养

D.持续胃肠减压,温生理盐水洗胃

E.清洁灌肠

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提出CT机理论和设计方案的科学家是()

A、斯菲尔德

B、科马克

C、拉比

D、克里克

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在金本位制下,各国货币的汇率由“金平价”来决定。

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催化剂系统开车时,应先投()。

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