试题与答案

下列各组物质的熔点变化规律，与它们的化学键无关的是[ ] A．F2、Cl2、Br

来源：www.tikuol.com
题型：选择题

题目：

下列各组物质的熔点变化规律，与它们的化学键无关的是[ ]

A．F2、Cl2、Br2、I2的熔点依次升高

B．Li、Na、K、Rb的熔点依次降低

C．NaF、NaCl、NaBr、NaI的熔点依次降低

D．晶体硅、碳化硅、金刚石的熔点依次升高

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0729/0e8cbb4af1b15c367463b4ebef97107c.html

下面是错误答案，用来干扰机器的。

参考答案：对

考点：离子键共价键金属键
试题推荐
题型：阅读理解
阅读理解。
     Summer holidays are just coming. Have you got any plans? Here are 4 five-star films for you to kill your
time.
Pirates of the Caribbean 4 (加勒比海盗4)
Type: Adventure; Action
Film Studio: Walter Disney Pictures
Date: May 20th, 2011
     Captain (船长) Jack Sparrow of the Caribbean has come back. This has made
fans of Pirates of the Caribbean very excited. Johnny Depp, a famous actor, works
together with a new director, Rob Marshall to bring a new wave of pirate craze.
Johnny Depp is also known for Walter Disney's film Charlie and the Chocolate
Factory.
Sherlock Holmes
Type: Action; Detective
Film Studio: Warner Bros.
Pictures Date: Dec. 25th, 2009
     Do you like detective stories and want to solve mysteries like well-known
Detective Sherlock Holmes? This one you certainly don't want to miss. It is quite
different from the earlier Holmes stories and has received much praise (赞誉) from
film fans.
Toy Story 3
Type: Cartoon
Film Studio: Walter Disney Pictures
Date: June 18th, 2010
     Do you still remember Woody and Buzz? Woody is brave, like a cowboy should
be. He knows how to lead other toys. And this time Woody's friends have another
big problem. They are trapped by a selfish and cruel bear named Lotso and his men in
Sunnyside. Woody goes to help them. How can they find a way out?
Ice Age 3
Type: Cartoon
Film Studio: DreamWorks Pictures
Date: July 1st, 2009
      Ice Age 3 is a whole new adventure that everyone at any age can enjoy. All our
old friends are back. Sid the sloth finds three dinosaur babies and adopts (收养) them
as his own. Then the mother dinosaur comes for her babies and takes Sid away. The
adventure begins when Sid's best friends try to find him and get him back. Do they
succeed in the end?
1. _________ is the latest film according to (根据) the article.
A. Ice Age 3
B. Pirates of the Caribbean 4
C. Sherlock Holmes
D. Toy Story 3
2. Which of the following is RIGHT according to the article?
A. Johnny Depp is the director of Pirates of the Caribbean 4.
B. Film fans don't think Sherlock Holmes is a good film.
C. The two cartoons are produced by the same film studio.
D. Ice Age 3 is a cartoon suitable for different age groups.
3. From the article, we know _________ is a cruel character.
A. Sid
B. Sherlock Holmes
C. Lotso
D. Jack Sparrow
查看答案
题型：问答题

将下列某高校对四位学生的论文情况在全校展开的调查的数据建成一个数据表(存放在 A1：C5区域内)，并计算认为“优秀”的人数的“总计”和“优秀支持率”(保留小数点后两位)，其计算公式是：优秀支持率=认为优秀的人数/总计，其数据表保存在Sheet1 32作表中。
学生 认为优秀的人数 优秀支持率
Tom 8765
Rose 6543
Jack 2456
Jim 16324
2．对建立的数据表选择“学生”、“认为优秀的人数”、“优秀支持率”3列(均不包含“总计”行)数据建立“柱形棱柱图”，X轴上的项为姓名(系列产生在“列”)，图表标题为“论文评选调查图”，并将其嵌入到工作表的A8：E18区域中。
3．将工作表Sheetl更名为“论文调查表”。
查看答案
微信公众账号搜索答案