搜题请搜索小程序“爱下问搜题”
问题 问答题 简答题

KVS磨煤机在投运前对跳闸保护有何要求？

答案

参考答案：

磨煤机的跳闸保护在投运前必须试验合格并投入，跳闸保护因故不能投入的必须有相应的防止发生事故或损坏设备的技术措施，并积极创造条件，尽快恢复跳闸保护。跳闸保护动作不正确或无故不投入的磨煤机，运行人员有权拒绝其投入运行。

单项选择题

由于某化肥厂长期排污，该地域内两个村庄几年来多人患有罕见的严重疾病。根据《环境保护法》的规定，下列哪一选项是错误的( )

A．受害村民有权对该厂提起民事诉讼

B．因环境污染引起的民事诉讼时效为3年

C．环境污染民事责任的归责原则实行公平责任原则

D．本案由化肥厂承担其排污行为和损害结果之间是否存在因果关系的举证责任
查看答案
阅读理解
阅读下列应用文及相关信息，并按照要求匹配信息。
以下是一些电子产品的介绍：
     A. Microsoft Office: This computer software
package provides you with everything for your
business or study needs. Whether you need to write          
a report, do your business accounts, design a web
page or stay in touch through email, Office can do
it 'all and much more. Cost $740
     B. Motorola L7i mobile phone: Web
enabled phone that allows you to surf the
net anywhere at anytime, with 2 mega pixel
camera built in for photo and video. 1 GB
memory to store large music and movie files.
Cost $530
     C. Lenovo laptop computer X61: This ultra-
portable notebook is ideal for mobile users such as
travellers and businessmen because it is lightweight
(only 1 kilo) and offers extremely long battery life
(up to 8 hours before recharging is necessary).
Cost $1,200
     D. Supersonic MP4 Player: Multimedia
player is just what you need to stay entertained
wherever you go. Use the 1.5-inch screen as
a video player or to play games. With 15GB of
storage you can also store and listen to thousands
of your favourite songs with just tile click of a
button. Cost $140
     E. Nintendo Game Boy: This portable video
game system allows you to have fun wherever
you are. With thousands of different games
available to play on this system you are sure to
never get bored. Cost $240
     F. Sony Thinline Digital TV: This TV provides
the crystal clear picture you expect from Sony and
is only 2 cm thick. Has 120GB built in memory
allowing you to record and store hundreds of hours
of your favourite programmes with just the touch of
a button. Cost: $3,500
下面是关于一些商店的简介，请匹配商店与它所销售的产品：
     ( )1. One-Stop Computer Centre: We are specialists in Dell and Samsung computers, offering a full
range of desktops and notebooks for these two brands. We also stock a huge selection of computer softwares
including all Microsoft, Sun Microsystems and Adobe applications.
     ( )2. Joe's Discount Electronics: Joe guarantees to provide you with the cheapest electronic products
anywhere in the city. We may not have famous name brands but if you are looking for a reliable TV, mobile
phone, MP4 player at unbeatable prices then Joe's is the place for you.
     ( )3. The Digital Warehouse: We're the city's leading electronic games store, offering the latest systems
from Microsoft (Xbox), Sony (PlayStation 3) and Nintendo (Wii, Game Boy). We also offer a huge selection
of games for each system, and if we don't have we will order it for you.
     ( )4. HiFi House: If you're looking for a new music system or the latest in television technology then we
are for you. Get honest and reliable advice from our sales team on the right products for you. We only sell
quality brands so your satisfaction is guaranteed.
     ( )5. The Mobile King: Are you always on the move? Do you need to take your work with you wherever
you go? Is your back sore from carrying around your old heavy laptop computer? Then come to us to get the
lightest and most powerful laptop computers from brand names such as Toshiba, Sony and Lenovo.
查看答案