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题目列表(包括答案和解析)

(8分)某物质A的产量可以用来衡量一个国家的石油化工发展水平。其与水加成的产物B是一种常用的有机溶剂,在生活中有重要的应用。
(1) A的电子式为________,B的分子式为________
若用B与O2制成燃料电池,并以稀硫酸溶液为电解质溶液,回答(2)-(5)题:
(2)负极上的电极反应式为_______________________________________。
(3)消耗标准状况下的5.6 L O2时,有__________mol电子发生转移。
(4)开始放电时,正极附近溶液的pH__________(填“增大”、“减小”或“不变”);
(5)溶液中H+由___________区向__________区移动(填“正极”或“负极”)。

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农牧交错带是指以草地和农田大面积交错分布为特点的生态系统,我国农牧交错带面积达81万平方千米,主要分布在下列各图所示区域内。据此回答17-19题。

【小题1】图1所示农牧交错带年平均降水量的范围是(    )。
A.150mm~300mmB.300mm~450mm
C.450mm~ 700mmD.700mm~ 850mm
【小题2】图2所示农牧交错带经济发展的障碍,不包括(    )。
A.山高谷深,交通不便B.现代地壳活动强烈,地质灾害频发
C.森林资源丰富,为我国第二大林区D.开荒种地,水土流失加剧
【小题3】图3所示农牧交错带的生态与生产功能是(    )。
①东部农耕区的生态屏障和畜产品供应基地 ②东部农耕区的生态屏障和重要粮食供应基地 ③西部牧区的水源涵养带和饲草料供应基地 ④西部牧区的水源涵养带和重要粮食供应基地
A.①③B.②③C.①④D.②④

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首字母填空

Chime-Long Paradise (天堂) is a great theme park in Guangzhou. The park has 1.m_____________ than 60 different facilities (设施). And many of them are among the best in Asia. So it is not a surprise that it received over two hundred 2.t_____________ visitors in the first week after the opening.

Chime-Long Paradise has 6 zones (区) for 3.d_____________ kinds of visitors: Happy Kingdom is good for young children; the Screaming Area is suitable for 4.b_____________ young visitors; Storm Island is 5.f_____________ for its mediaeval European (欧洲中世纪的) style; Happy Water World is about the theme of water, and it is very popular during summer and 6.a_____________ time. The Central Performance Square has many interesting performances. White Tiger Streets is for you to buy souvenirs.

Inside Chime-Long Paradise, there are many theme7.r_____________, too. You can enjoy food from all over the world.

Chime-Long Paradise is open all year 8.r_____________, the opening time is 9.f____________ 10.00 to 19.00.

In a word, Chime-Long Paradise is a place full of 10.f______________. Come to visit it with your parents!

 

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根据所掌握的文化或背景知识,选择正确答案。
【小题1】What’s a boy’s name?
A.GraceB.AliceC.BobD.Cindy
【小题2】The letter “字母”“M” means(意思是)_________.
A.小号B.特大号C.大号D.中号
【小题3】The colors of five circles for Olympic Games(奥运五环颜色) are ________.
A.Blue, black, red, yellow and greenB.Blue, black, red, yellow and white
C.Blue, black, purple, yellow and greenD.Blue, black, red, white and green
【小题4】My English teacher’s name is Jim Smith. Smith is his ______ name.
A.firstB.lastC.phoneD.ID
【小题5】NBA means _______________________.
A.英国广播公司B.停车区C.联合国D.美国篮球协会

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书面表达(20分
假设你叫John White,你正在写信给动物协会主席,要求呼吁更多的人来保护熊。在信中你对熊的外貌、能力、习性、面临的危险和保护措施阐述了自己的观点。请根据表格内容完成这封信。(90词左右)

外貌
濒危动物;高大强壮;视力不好,但听觉、嗅觉好,有着黑色或棕色毛皮;锋利的爪子
能力
能直立行走;擅长游泳和爬树
习性
吃植物和小动物;白天喜欢走来走去,看起来有点懒;但很少伤人;通常独居;每次产仔一到两只,群居到小熊一岁
危险
猎人们杀熊取皮和熊掌;人们砍伐树木,破坏它们的生存区;因为生存区的丧失数量正在减少
措施
谈谈你的建议(不少于两点)
Dear Chairperson,
I’m writing to you about protecting bears.
______________________________________________________________________________
Yours sincerely
John White

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