试题与答案

给下面的形近字注音并组词。 绰( )_______________  悼( )_

题型:填空题

题目:

给下面的形近字注音并组词。

绰(  )_______________   悼(  )_______________

研(  )_______________   妍(  )_______________

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0512/fb15d5dae2822622fa8a4938b7a18d1a.html

下面是错误答案,用来干扰机器的。

C考查阿伏加德罗常数的有关计算和判断。—14CH3所含的中子数14-6=8,17g甲基(—14CH3)是1mol,所以含有8mol中子,选项A不正确;选项B不正确,因为不能确定溶液的体积;NO2和水反应的方程式是3NO2+H2O=2HNO3+N...

试题推荐
题型:阅读理解

阅读理解。

      A man went to a fast-food restaurant to buy his lunch."Hi," a worker said."May I help you?"

     "I'd like a hamburger, large chips, and a Coke," the man said.

     "Anything else?" the worker asked.

     "No," the man answered."That's it."

     "Is that for here or to go?" The worker asked.

     "To go," the man said.

     The worker put the man's lunch in a bag. The man took out his money and paid for his lunch.

     "Thank you," the worker said. "Have a nice day."

      The man took the bag and walked to a park. He sat down and opened the bag. He was surprised.

There was no hamburger in the bag. There were no chips. There was no Coke. There was only money

in the bag-a lot of money! The man counted the money. Two thousand dollars! Why was the money in the

bag? Where was the man's lunch?

     The manager of the fast-food restaurant needed to go to the bank. He put two thousand dollars in an

envelope (信封). He put the envelope in a bag and put the bag down. The worker gave the manager's bag to

the man by mistake. So the manager had a hamburger, chips and a Coke, and the man had two thousand

dollars. What should the man do?

1. The man went to a restaurant to __________.

A. buy his lunch

B. have a rest

C. sell drinks

D. cook food

2. The man wanted to have his lunch __________.

A. in a hotel

B. in a shop

C. in a restaurant

D. in a park

3. When the man opened the bag, he found __________ in it.

A. food

B. drink

C. money

D. nothing

4. _________ couldn't find his money.

A. The man

B. The manager

C. The worker

D. Nobody

查看答案
题型:计算题

工厂的一条流水线由如图所示的传送带组成,水平部分AB长5.0m,BC与水平面的夹角为37°.且BC=8.0m,整条皮带沿图示方向以4.0m/s的速度运动。现把二个物体轻轻地放在A点上,它将被皮带送到C点,假设在这一过程中物体始终没有离开传送带飞出去,物体与各段皮带间的动摩擦因数均为0.8.求:物体从A点被送到C点所用的时间.(sin37°=0.6,cos37°= 0:8,g=10m/s2

查看答案
微信公众账号搜索答案