成品塔塔底PX中的OX含量高,其余杂质含量正常的可能原因是()。(A)原料中的OX含

题型:多项选择题

问题:

成品塔塔底PX中的OX含量高,其余杂质含量正常的可能原因是()。

(A)原料中的OX含量高

(B)吸附剂性能变坏

(C)抽余液塔底物料中的OX含量超标

(D)抽余液塔温差低

考点:二甲苯装置操作工二甲苯装置操作工(高级)二甲苯装置操作工(高级)题库
题型:多项选择题

下列材料具有不燃性的是()。

A、玻璃

B、装饰防火板

C、阻燃塑料地板

D、阻燃墙纸

题型:多项选择题

Kids Fishing Photo Contest

Welcome to catch the excitement of your child on film while fishing and enter his or her picture in the yearly Kids Fishing Photo Contest! The contest is sponsored(主办,赞助) by Virginia Department of Game and Inland Fisheries (VDGIF) in celebration of National Fishing Week!

The winning pictures are those that best catch the theme (主题)“kids enjoying fishing”. Winners will receive different fishing-related prizes. Winning pictures will also be posted on the VDGIF website and may be used in all kinds of VDGIF publications. There is no need to be a professional photographer. Any photo will do.

Contest Rules

Children in the photographs must fall into one of the following age groups when the picture is taken: 1---5, 6---10.

Photos must not be more than 1 year old.

Photos must be taken in Virginia.

Children in a boat must be wearing a life jacket.

Only one photo submission(提交) per child.

Submit photo on photograph quality paper, no CD’s accepted.

Photos must not be bigger than “4*6” size.

Please stick a piece of paper to the back of the photo including: name, age, address, phone number and location where the photograph was taken.

Photos must be postmarked on or before June 19, 2011.

Judging will take place in July and winners will be posted on the VDGIF website.

Prizes will be sent directly to the winning children.

This contest isn’t open to immediate family of VDGIF employees and sponsors. Immediate family members refer to children, relatives or others living in the same household with a VDGIF employee or sponsor.

To Enter:

Send your photo, with the child’s name, age, phone number and address to:

2011 Kids Fishing Photo Contest

Virginia Department of Game and Inland Fisheries

P.O. Box 11104

Richmond, VA 23230 – 1104

小题1:The purpose of the contest is to ______.

A encourage people to take more pictures

B help people realize the importance of fishing

C celebrate a national fishing-related activity

D encourage people to go fishing with kids

小题2:Which of the following photos can enter the contest?

A A photo which was taken in Boston in 2009.

B A large photo which was postmarked on July 11, 2011.

C A photo which was taken in Virginia on Sept. 23, 2010.

D A photo on which there is a 12-year-old girl.

小题3:What can be known about the prize of the contest?

A Winners will get a great deal of money.

B Winners will be allowed to travel in Virginia for free.

C Winners’ works will be seen on any website.

D Winners’ works may appear on the covers of VDGIF publications.

小题4:According to the contest rules, ______.

A the result of the contest will be unknown before July, 2011

B all Americans have the right to take part in the contest

C photos can be sent to the sponsors in the form of email

D the Smiths with only one child can enter the contest with two photos

题型:多项选择题

有关氧族元素的叙述正确的是  [ ]

A.氧族单质随核电荷数增大跟氢气化合的能力逐渐减弱

B.H2O和H2Se都是能燃烧的

C.氧族的非金属单质都是电绝缘体

D.氧族的非金属单质都不能导电

题型:多项选择题

做哑铃片断裂试验时,试样应在()地方断裂底纹。

A、两端

B、中间

C、标记线内

D、标记线外

题型:多项选择题

资料1

广州荣华外贸进出口公司(440191××××)于2005年10月10日代理广州新华轮胎有限公司(440194××××)进口丁苯橡胶一批,商品编码:40021190,法定计量单位:千克。该货于2005年10月12日抵达,并于当日向广州内港海关(关区代码5120)报关。自动进口许可证号4400-2004-04473,集装箱自重为3,000千克。

(二)资料2

请根据以上资料,填制进口报关单以下栏目:

“运输工具名称”栏应填()。

A.KODADRAGON V 0098

B.KODADRAGON/0098

C.KODADRAGON

D.KODADRAGOV—0098

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