(1)有两种气态烷烃的混合物,在标准状况下密度为1.16g·L-1,则下列关于此

题型:计算题

问题:

(1)有两种气态烷烃的混合物,在标准状况下密度为1.16g·L-1,则下列关于此混合物组成中一定含有的烃是的化学式是       。该烃和氯气在光照下反应生成的有机物共有    种,其中      (填写化学式)在常温下呈气态。

(2)燃烧法是测定有机化合物分子式的一种重要方法。完全燃烧0.1mol某烃后,将生成的气体先通过足量的浓硫酸,浓硫酸增重9.0g,再将剩余气体通过澄清石灰水,生成沉淀40g。据此求烃的分子式,并写出该烃可能的结构简式。

考点:烷烃的通式环烷烃(环己烷、环丙烷等)甲烷烷烃的通性
题型:计算题

依据下列词语中的拼音写出汉字。

葱lóng(     )   轻yíng(     )   崩tā(     )   gū(     ) 舟

题型:计算题

读下图,回答下列各题(第3小题每空2分,其它每空1分,共13分)  

(1)亚洲与非洲的分界线是           运河,亚洲与北美洲的分界线是         海峡

(2)非洲位于亚洲的        方向,大洋洲在印度洋的        岸。

(3)赤道穿过的大洋有          洋、           洋和            洋。(每空2分)

(4)太平洋被       个大洲包围,位于太平洋东岸的是         洲和         洲。

题型:计算题

怎样编制经营计划?

题型:计算题

信息匹配(共5小题,每小题1分,满分5分)

请阅读下列应用文及相关信息,按照要求匹配信息,并把答案填涂在答题卡的相应位置上。填涂选项中有一项为多余项。

首先阅读下列博客信息:

A.My name’s Marta and I’ m from Mexico City, but I moved to Los Angeles, California, five years ago, now I am living in an apartment at No.3178 SE Timmer Broadway.I am 28, single.I am a customer service representative for a large financial company.I am an outgoing person.I love to laugh and have fun! I enjoy cooking, dancing and listening to music.I don’t like watching or playing sports.You should be an outgoing, considerate lady with a good sense of humor, to share the apartment.Are you the one? Email and let’s have further talk.

B. My name’s Mark, and I’m from Hollywood, California.I’m a fitness instructor in Los Angeles.I am a friendly and easy-going person; I love playing sports-especially football and working out at the gym.I also play the guitar.My best friend David, who often has sports with me, went to Mexico last month.To avoid loneliness, I’d like very much to own a new friend who would share the fun of sports with me.I am longing.

C. My name’s Park Jun Seo, but you can call me Jun.I moved from Seoul Korea to Los Angeles two years ago.I am a graphic designer and I am looking for my younger brother, Lean Ban Seo, who might be in this city.As the story is too long, I just hope to find him and have my family reunited.He is lame at the right leg, 19 years old, 1.79 meters tall, with very big eyes and fair curly hair.With his picture of two years ago enclosed, I would be very appreciated if you have any information about that. Telephone me at 818-5789.

D. My name is Don and I am a programmer at a computer company.I have designed several pieces of software that can help students learn better, especially suitable for primary students who have some language disability to learn words and help them pronounce more correctly.If you think you need one, please fax to 857-4693. You can purchase by post.

E. My name is Mauricio, and I’m a computer programmer working in the Los Angeles area.I am kind of shy, but maybe you can help me to be more outgoing.I like cooking, playing computer games, and chatting with friends online.If you think you are the proper one to be my E-pal, let’s chat!

F. My name’s Judy and I’m from Quebec, Canada.I am a sales woman in one of the women underwear stores in Montreal.I’d like to have more visitors to my shop.And you can bargain for a reduction of 10% to 30%, if you purchase in package.Let’s be friends.

请阅读以下网站回复的信息,然后匹配回复的信息和网站原登出的博客信息。

小题1:I am a professional sportsman and work in the same city.I am so glad that I will have a good friend who can be the opponent to improve my techniques.E-mail me at bitterflower@yahoo.com

小题2:As a shop owner, I might drop in when I go downtown.But may I know your exact address? When is it convenient for a visit? Thank you!

小题3:God bless you! I’m a journalist and happened to read your brief story.A neighbor of mine looks exactly the same as the man in the picture you uploaded.This might be a chance in a million.Telephone me at 818-5690.

小题4:As a new comer and a freshman, I am looking for a  room as close to my university as possible.I would like to have some friends, too.I think your place might be the right choice for me.But can I know how much the rent is?

小题5:I am a salesman from Paris.My first difficulty working in this city is language.I would appreciate it if you could help me learn English through the keyboard.

题型:计算题

关于喷油泵的出油阀下列说法正确的是()。

A.喷油泵都有出油阀

B.出油阀都有卸载

C.为燃油自身循环冷却喷油器供油的喷油泵没有出油阀

D.出油阀的作用就是卸载

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