问题 问答题 简答题

特殊作业项目都有哪些?

答案

参考答案:

大型起吊运输(超载、超高、超宽、超长运输),高空爆破、爆压,水上及在金属容器内作业,高压带电线路交叉作业,临近超高压线路施工,跨越铁路、高速公路、通航河道作业,进入高压带电区、电厂运行区、电缆沟、氢气站、乙炔站及带电线路作业,接触易燃易爆、剧毒、腐蚀剂、有害气体或液体及粉尘、射线作业等,季节性施工,多工程立体交叉作业及与运行交叉的作业。

阅读理解

阅读理解。

     "Millions of young people will lose their hearing in five years if they listen to MP3 or MP4 players at

a too high voice every day," scientists say recently.

Do you often listen to MP3 players at a too high voice? Are you frightened to hear this?

     The sizes of MP3 players are very small, but small MP3 players make it easy to take hundreds of

songs with you. So many young people carry them and listen to music every day. MP3 players are very

popular among students.  

     The scientists say teenagers should be far from high volume (音量), including mobile phones' noise.

A study says, "High volume and long listening time can cause hearing problems." They think if young

people listen at more than 89 decibels (分贝) every day, they will lose their hearing in five years. A

scientist said, "So many young people often use personal music players and mobile phones at a high

voice. I am afraid that they may be losing their hearing.

     So let's turn our MP3 players down!

1. According to the passage, which of the following is true?

A. Scientists tell young people to turn off their MP3 players.

B. Teenagers will lose their hearing if they listen to hundreds of songs in MP3 players.

C. A person will lose hearing in 5 years if he or she listens to an MP3 player every day.

D. The mobile phone can also cause hearing problems if we don't use it correctly.

2. The underlined word "they" (Paragraph 4) most probably refers to ______.

A. scientists  

B. MP3 players

C. mobile phones

D. teenagers

3. Which might be the best title for this passage?

A. Turn your MP3 players down!

B. Never use MP3!

C. How to protect your hearing.

D. Young people's hearing.

单项选择题