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问题 选择题

100℃时，两种烃蒸汽组成的混合气体完全燃烧后所得CO2和H2O的物质的量随混合烃的总物质的量变化如图所示．则下列对该混合烃组成的判断正确的是（　　）

A．一定含有甲烷

B．一定含有乙烯

C．一定含有苯

D．一定不含乙烯

答案

由图象中的线性关系，选取混合烃的总物质的量为1mol作研究，生成的CO2和H2O的物质的量分别为1.6mol和2mol，故其平均分子组成为C1.6H4，由于碳原子数小于1.6的烃只有甲烷一种，因此一定含有甲烷；

CH4分子中含4个氢原子，故另一种分子中一定含4个氢原子，且其碳原子数大于1.6，故可能是乙烯，一定不含有苯．

故选A．

单项选择题

Word文档默认的扩展名是( )

A．DOT

B．DOC

C．TXT

D．WORD
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多项选择题

保险单

中国人民保险公司江苏省分公司


THE PEOPLE’S INSURANCE COMPANY OF CHINA JIANGSU BRANCH

货物运输保险单


CARGO TRANSPORTATION INSURANCE POLICY

发票号(INVOICE NO.) NJTO90218-09 保单号次PYIE2006080
合同号(CONTRACT NO.) NJTO90218POLICY NO.
信用证号(L/C NO.) CCPIT 091810528
被保险人：
Insured：NANJING JINLING TEXTILE LTD.
中国人民保险公司(以下简称本公司)根据被保险人的要求，由被保险人向本公司缴付约定的保险费，按照本保险单承保险别和背面所载条款与下列特款承保下述货物运输保险，特立本保险单。
THIS POLICY OF INSURANCE WITNESSES THAT THE PEOPLE’S INSURANCE COMPANY OF CHINA (HEREINAFTER CALLED“THE COMPANY”)AT THE REQUEST OF THE INSURED AND IN CONSIDERATIONOF THE AGREED PREMIUM PAID TO THE COMPANY BY THE INSURED，UNDERTAKES TO INSURE THEUNDERMENTIONED GOODS IN TRANSPORTATION SUBJECT TO THE CONDITIONS OF THIS POLICY ASPERTHE CLAAUSFS PRTNTED OVERLEAF AND OTHER SPECIL CLAUSES ATTACHFD HEREON.
标记MARKS＆NOS 包装及数量QUANTITY 保险货物项目DESCRIPTION OF GOODS 保险金额AMOUNT INSIJRED
DEXICAS/C NJTO90218 10800DOZEN LADIES GARMENTS USD54C100.00
总保险金额TOTAL AMOUNT INSURED: US DOLLARS FIFTY FOUR THOUSANDS ONLY
保费 启运日期 装载运输工具
AS ARRANGE DATE OF COMMENCEMENT: APR 09, 2009 PER CONVEYANCE: PRINCESS V.018
自 经 至
FROM: NANJING PORT CHINA VIA — TO BRUSSELS, BELGIUM
承保险别
CONDITIONS: Covering F.P.A up to PORT OF DESTINATION.
所保货物，如发生保险单项下可能引起索赔的损失或损坏，应立即通知本公司下述代理人查勘。如有索赔，应向本公司提交保单正本(本保险单共有3份正本)及有关文件。如一份正本已用于索赔，其余正本自动失效。
IN THE EVENT OF LOSS OR DAMAGE WHICH MAY RESULT IN A CLAIM UNDER THIS POLICY, IMMEDIATE NOTICE MUST BE GIVEN TO THE COMPANY’S AGENT AS MENTIONED HEREUNDER. CIAIMS. IFANY, ONE OF THE ORIGINAL POLICY WHICH HAS BEEN ISSUED IN 3 ORIGINAL(S)TOGETHER WITHTHE RELEVENT DOCUMENTS SHALL BE SURRENDERED TO THE COMPANY. IF ONE OF THE ORIGINALPOHCY HAS BEEN ACCOMPLISHED, THE OTHERS TO BE VOID.
中国人民保险公司江苏省分公司
THE PEOPLE’S INSURANCE COMPANY OF CHINA JIANGSU BRANCH
赔款偿付地点
CLAIM PAYABLE AT Nanjing, CHINA 王天华
出单日期 Authorized Signature
ISSUING DATE：APR 20, 2009
缮制错误的地方有：
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