试题与答案

利用家庭生活用品可以进行某些科学实验,下列哪个实验只需要厨房用品就可以简便的完成

题型:选择题

题目:

利用家庭生活用品可以进行某些科学实验,下列哪个实验只需要厨房用品就可以简便的完成

A.检验食盐中是否含有碘元素

B.检验鸡蛋壳可否溶于酸

C.检验自来水中是否含有Cl-

D.检验白酒中是否含有甲醇

答案:

答案:B

正确答案:B

A、要淀粉和还原剂(如KI)B、有乙酸;C、用AgNO3和酸;D、鉴别乙醇和甲醇可以用碘仿反应,甲醇不能发生碘仿反应,乙醇可以

 C2H5OH+4I2+7NaOH→HCOONa+CHI3↓+6H2O+5NaI

 有沉淀产生。甲酸钠还可以进一步被氧化成碳酸钠

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题型:阅读理解

THEME PARKS – FUN AND MORE THAN FUN

Disneyland will bring you into a magic world. As you walk around Disneyland, you may see Snow White and Mickey Mouse in a parade or on the street. If you want to have fun and more than fun, come to Disneyland!

Dollywood, in the beautiful Smoky Mountains in the southeastern USA. Although Dollywood has rides, the park’s main attraction(吸引力) is its culture. You can even take a ride on the only steam-engine train still working in the southeast USA. Come to Dollywood to have fun learning all about America’s historical southeast culture!

If you want to experience the ancient days, England’s Camelot Park is the place for you. Every area of the park is modeled after life in the days of King Arthur and the Knights of the Round Table. To enter a world of ancient England, come to Camelot Park!

Some theme parks are not only for fun but also educational. Take the Polynesian Cultural Center(PCC) in Hawaii as an example. It not only shows visitors the Polynesian way of life but also protects their skills and culture for the future.
小题1:Which park will bring you into a magic world?
A. Disneyland.                          B. Dollywood.
C. Camelot Park.                        D. The PCC.
小题2:What’s Dollywood’s main attraction?
A.Magic shows.B.King Arthur’s life.
C.Polynesian culture.D.America’s southeast culture.
小题3:What can you enjoy in Camelot Park?
A.Meeting Snow White.
B.Experiencing ancient England.
C.Riding on the steam-engine train.
D.Feeling the Polynesian way of life.
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题型:填空题

  阅读下列诗词,回答问题:

  ① 春愁难遣强看山,往事惊心泪欲潸。四百万人同一哭,去年今日割台湾。  ——丘逢甲《春愁》

  ②红军不怕远征难,万水千山只等闲。  ——毛 * * 《七律·长征》

  ③晴天霹雳太行头,万里阴霾一鼓收。英帅朱彭筹此役,竟扶危局定神州 ——抗日战争时期的《军政》杂志

  ④ 钟山风雨起苍黄,百万雄师过大江。 ——毛 * * 《七律·人民解放军占领南京》

请回答:

(1)诗①“四百万人同一哭”是因为《________》(条约名称) 的签订日本割占台湾;结合所学知识推测,这首诗写于_______年。 

(2)诗②反映的历史事件是________,导致这个事件发生的根本原因是王明的__________错误。

(3)由于国际形势变动和国内困难增加,投降危险严重,诗③反映的是为了振奋抗日精神,1940年下半年由________(哪一人物)指挥________(军队名称),在________(哪一地区)地区进行的________(哪一战役)。

(4)诗④反映的解放战争时期的战役是________;解放________,标志着国民党 * * 在大陆统治的结束。

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