若a、b互为相反数,c、d互为倒数,则a+b+3cd=______.

题型:填空题

问题:

若a、b互为相反数,c、d互为倒数,则
a+b
+
3cd
=______.
考点:实数的运算
题型:填空题

阅读理解。

     The computer is a very good machine. It can do a lot of everyday work so people can use it in many

ways. 

     Writers can use it to write interesting stories. Painters can use it to draw beautiful pictures. If you like

talking, you can talk to people from anywhere on the computer. You can watch movies and listen to music.

     Many children like playing games. Computers can help you. In the shop, someone buys something from

you. You can put the information about the sale (销售). Then the computer can work on the information and

tell you a report (报告) about shopping. In research (研究), if you want to know about the moon, you can

ask the computer and the computer can answer on the screen. In some large factories, you can't see many

people. Why not? Robots can do most of work instead of (代替) people. How does the robot work? The

computer tells it what to do.

     This is our computer. Perhaps one day the computer can think and feel. Then it will make our life better

and better.

1. We can _______ on the computer.

A. not play games

B. get real fruits

C. talk to anyone far away

D. find no information

2. You can't see many people in some large factories because _______.

A. computers can do anything

B. some robots help them

C. people all stay in the room

D. people work on the computer

3. Which of the following is NOT true?

A. People need computers' help

B. People have to use computers

C. Computers can do most of the work

D. Computers can think like people

4. From the passage we can know the word 'robot' means _______ in Chinese.

A. 机器人

B. 储存器

C. 打印机

D. 外星人

5. Which is the best title (标题)?

A. People's Lives

B. Computers

C. How Computers Work

D. The Importance of Computers

题型:填空题

一般资料:求助者,女性,42岁,自由职业者。 案例介绍:求助者家庭条件优越,自己在家照看两个女儿。求助者少年时期学过钢琴,曾经梦想要成为钢琴家,后因故中断。大女儿4岁的时候,就被她安排学琴,后来考入音乐学院,求助者很欣慰。她也想让小女儿学琴,可小女儿却不顺从,就是不想学音乐。求助者非常伤心,她觉得小女儿不明白她的苦心。为此很苦恼,前来咨询。 下面是心理咨询师与求助者的一段咨询谈话。 求助者:我要她学音乐,跟她姐姐一样,也是为她好啊! 心理咨询师:世界上没有两个人是一样的,两个女儿也不会一样。 求助者:我是她妈妈,她为什么就不听我的话呢? 心理咨询师:您小时候,妈妈说的话您都听吗? 求助者:有时候听,有时候不听。 心理咨询师:这就对了,不可能别人说的所有话我们都需要照办。 求助者:那我所做的努力不就白费了吗? 心理咨询师:问题的关键不在于努力是否白费,而在于您要求小女儿必须听您的话去学琴。实际上,学不学音乐都可以成才,您却坚持她一定要学音乐,您的烦恼就来自于此。 求助者:如果她将来学习不好,又没有一技之长,这一辈子不就毁了吗?我感到很着急,为她担心。 心理咨询师:难道一个人没有音乐特长,就真的活不下去了吗?您不也是没学成琴,不也过得很好吗? 求助者:哦……

根据ABC理论,该求助者心理问题的主要原因不是()。

A.挫折和遭遇

B.歪曲的认知

C.评价性观念

D.不合理信念

题型:填空题

任何两个质数之和都不会是质数.______. (判断对错)

题型:填空题

加速试验的试验条件是()。

A、温度25℃±2℃,相对湿度75%±5%的条件下放置6个月

B、温度30℃±2℃,相对湿度75%±5%的条件下放置6个月

C、温度40℃±2℃,相对湿度60%±10%的条件下放置6个月

D、温度40℃±2℃,相对湿度75%±5%的条件下放置6个月

题型:填空题

牙髓内的神经受到外界刺激后,常反应为

A.热

B.冷

C.压力感

D.化学刺激

E.痛

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