对于重载的运算符 > >,它是一个( )。A. 用于输入的友元函数 B. 用于输

题型:单项选择题

问题:

对于重载的运算符 > >,它是一个( )。

A. 用于输入的友元函数

B. 用于输入的成员函数

C. 用于输出的友元函数

D.用于输出的成员函数

考点:计算机等级考试C++国家计算机二级(C++)68
题型:单项选择题

( )是企业员工由现有工作岗位向更低级别工作岗位移动的过程。

A.职业转换
B.职业调动
C.降职
D.更职

题型:单项选择题

阅读理解。

     A car needs gas to run and your body also needs food to work for you. Eating the right kind of food

is very important. It can keep your body strong, so take care of what you eat.

     There are four main food groups altogether. The dairy product (乳制品) group has food like milk,

cheese and yoghurt. The other three groups are the meat and fish group, the fruit and vegetable group,

and the bread and rice group. For each meal you should have at least one food from each of the four

main groups. With all these food together you will be given enough energy during the day.

     It is easy to get into bad eating habits. You may eat your breakfast in a hurry to get to school on time. Or you may not have time for a good lunch. It may seem easy to finish your supper with fish and chips all

the time. But you will find yourself tired during these days and you cannot think quickly.

     Watching what you eat will help change your bad eating habits and keep your body healthy and

strong. It is also good to take some exercise. It will help you eat more if you take a walk or play games

in the open air. Having a good eating habit with some exercise is the key to your health.

1. Which of the following diets is the best one?

A. Eggs, tomatoes and chicken.

B. Milk, bread, cabbages and beef.

C. Corn, fish, cream and pork.

D. Rice, bean curd, apples, fish and chicken.

2. Which of the following is a good eating habit?

A. Going to school without any breakfast.

B. Eating fish and chips for supper all the time.

C. Finishing your lunch in a very short time.

D. Having at least one food from each of the four groups.

3. What does the writer mainly tell us in this passage?

A. Every person needs food to grow well.

B. Taking exercise can keep your body strong.

C. The right kind of food with exercise will keep you healthy.

D. Enough energy helps people think more quickly.

4. What does "watching" mean in the last paragraph?

A. looking at

B. looking out

C. seeing

D. taking care of

5. Which is the BEST title for this passage?

A. The Four Food Groups  

B. A Healthy Diet

C. Your Body and Food  

D. Do some Exercise

题型:单项选择题

健康是我们工作、学习、生活的最根本保证。请根据所学知识,以“How Can We Stay Healthy”为题,说一说人们在日常生活中应注意些什么,不应该做什么。

提示:多运动,保持愉快的心情,多吃健康食品如青菜、水果、牛奶等,要保持清洁,不要过于紧张、劳累,尽量不吃垃圾食品。

How Can We Stay Healthy

题型:单项选择题

在高峰期,关于定价()是正确的。

A.增量成本与定价目的是相关的

B.完全分配成本与定价目的是相关的

C.设备没有完全利用

D.不需要通过扩张来增加产量

题型:单项选择题

()的保养内容是拆检门架、叉架、导轮、链轮,并清洗。

A.工作装置

B.制动器

C.离合器

D.驱动桥

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