在表达式x-y中,“-”是作为非成员函数重载的运算符。若使用显式的函数调用代替直接使

题型:单项选择题

问题:

在表达式x-y中,“-”是作为非成员函数重载的运算符。若使用显式的函数调用代替直接使用运算符“-”,这个表达式还可表示为______ 。

A.opemtor-(

B.opemtor-(y,

C.operator-(

D.operator-(x,

考点:计算机等级考试C++二级C++笔试43
题型:单项选择题

阅读理解

     Most people have jobs. They go to work nearly every day. Some people are lucky. Either they have very

interesting jobs or they make a lot of money. Most people are not so lucky. Either their jobs are not very

interesting or they don't make a lot of money.

     The most interesting jobs are often the most difficult. People take a long time to learn how to do them.

Doctors study for at least(至少) six years after finishing school. Airline pilots(航天飞行员) study longer.

Most airline pilots are at least 30 years old.

     Some young people have interesting and well-paid(高收入) jobs. Many successful stars are usually under

35. Older people usually cannot play these sports very well. They cannot move fast enough(足够的). Golf,

however, is good sport for older people. Many successful golfers are quite old.

     Most people work until(直到) they are 60 or 65 years old. Then they retire(退休) and have a lot of free time.

Some people never (从不) retire. These people usually have very interesting jobs. Writers, artists, musicians

and actors usually work until they die. Their work is their life.

1.What kind of jobs do lucky people have?

A. Easy jobs with less(很少) money.

B. Not very interesting jobs.

C. Interesting and good jobs with much money.

D. Difficult jobs with less money

2.Why do some jobs take a long time to learn?

A. Because they are difficult.

B. Because they are well-paid

C. Because they are interesting.

D. Because they are easy.

3. Why are young people successful at sports like tennis?

A. Because they can move fast.

B. Because they don't have to study.

C. Because they get paid a lot of money.

D. Because they can't move fast.

4. Who has to(不得不) retire when he is 60?

A. A writer   B. An actor   C.  A policeman     D.  A musician

5. What does the word "die"mean in Chinese?

A. 喜欢

B. 死亡

C. 想

D. 生病

题型:单项选择题

集成运算放大器内部电路一般由()组成。

A、输入极、输出极

B、输入极、中间极和输出极

C、输入极、放大极、输出极

D、基极、集电极、发射极

题型:单项选择题

尿化学及沉渣检查中,“正常尿中不易出现,在机体组织迅速分解破坏时多见,如严重肝病、有机化学药物中毒、急性肝萎缩,也可见于恶性肿瘤患者”属于()

A.草酸钙结晶

B.亮氨酸结晶

C.磷酸钙结晶

D.酮体从尿中排出

E.葡萄糖从尿中排出

题型:单项选择题

下列关于经济周期的说法,错误的是( )。

A.各种因素导致供给和需求发生变化,使得经济增长处于非均衡状态,形成累积性的经济扩张或收缩,导致了经济的繁荣与衰退
B.经济周期风险是宏观经济运行的周期性规律
C.经济周期风险对国民经济的各个行业都会造成影响
D.经济周期风险对各个行业的影响程度是一样的

题型:单项选择题

激光对中仪可用于()。

A.轴弯曲检测

B.同轴度测量

C.轴系对中

D.软脚判断

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