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【多选题】
第二节:Allan, James,Brown, Della and Edward 正在查找网站来帮助他们解决问题。阅读第61至65题中的各人情况说明和A至F六家网站的介绍,并从所给的(A、 B、 C、 D、 E、 F)中选出符合各人情况的最佳选项,并在答题卡上将该项标号涂黑。选项中有一多余选项。 61. Allan: The weather report said that a hurricane would hit the city. Tom wants to find information on how to pro tect his family from being destroyed during the hurricane. 62. James: Before learning about a butterfly, James was asked by his biology teacher to learn more about a butterfly in the process of doing research and then write a letter to humankind. 63. Brown: Thousands of animals around the world face extinction. Many more are threatened each year. Brown focuses on the situation of endangered animals and tried to understand how all living things are connected. 64. Della: Modern technology makes fishing easier. Yet overfishing has caused a lot of problems. China has taken some measures to solve the problem. Della wants to gain a deeper understanding of the effects of overfishing on some threatened species and tried to find out effective solutions. 65. Edward: Great leaders changed our lives. Edward, who studies politics, wants to find out detailed information about some famous political leaders of foreign countries.
A.
http://www.net.org/marine/csb/ This site is devoted to saving the Chilean sea bass, or Patagonian toothfish, from extinction. It suggests actions people can take to protect the fish, and it offers the flash movie “Please Don’t Eat Me!”
B.
http://www.uky.edu/Agriculture/Entomology/ythfacts/entyouth/ This site, created by the University of Kentucky Entomology(昆虫学) Department, provides photographs and facts about various insects we live with. You will find what you want to know about insects here.
C.
http://www.mountvernon,org/learn /index.cfm/ This is the definitive(最完整可靠的) site for thoroughly researched historical data on President George Washington. The educational resources include biographical information, a feature(专题节目) on George Washington and slavery, electronic trading cards, and an online quiz.
D.
http://www,artlex.com/ Here you will find definitions of more than 3,200 terms used in discussing visual culture, along with thousands of supporting images, pronunciation notes, great quotations, and cross-references.
E.
http://www.fema.gov/kids/ This visually appealing government site teaches kids how to be prepared for disasters and prevent disaster damage. The site also tells teachers and parents what to do to help children after a disaster. It is appropriate for all ages.
F.
http://www.nwf.org/ Find information on wildlife protection programs and wild animals through the articles,   photos, quizzes, and games at this site. Learn how you can help protect wildlife which has close relationship to human beings.
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【单选题】色谱分析中,分配系数(K)是指在一定温度和压力下,组分在固定相和流动相之间分配达平衡时的浓度( )。
A.
之和值
B.
之比值
C.
之差值
D.
之积值
【判断题】分配比是指在一定温度、压力下,组分在两相间达到分配平衡时组分在固定相和流动相中的浓度比。
A.
正确
B.
错误
【简答题】是指在一定温度和压力下,组分在固定相和流动相之间分配达平衡时的浓度之比。
【单选题】分配系数 是指 在一定温度和压力下,组分在固定相和流动相间达到分配平衡时的 () 比值
A.
质量
B.
浓度
C.
体积
D.
摩尔分数
【简答题】在使用STL指令编程的梯形图中,STL触点驱动的电路块具有的三个功能?
【单选题】术患者,男,37岁,因车祸致脑外伤急诊入院。入院后立即为患者行全麻下开颅术。术后患者留有一头部引流管及导尿管。后为患者翻身,以下操作方法正确的是
A.
患者只能卧于患侧
B.
翻身后更换伤口敷料
C.
翻身后上腿伸直,下腿弯曲
D.
翻身时必须夹紧引流管
E.
两人协助翻身时手的着力点分别在肩、腰、臀及膝部
【简答题】在使用STL指令编程的梯形图中,STL触点驱动的电路块具有的三个功能?
【判断题】使用STL指令编程时,一个状态元件的STL触点在梯形图中只能出现一次。
A.
正确
B.
错误
【简答题】全回流(R=∞)时,精馏段操作线的斜率为(),提馏段操作线的斜率为(),对相同的x D 和x W ,部分回流比全回流所需的理论板数()。
【单选题】部分回流时,回流比为( )
A.
1
B.
2
C.
3
D.
4
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