题目

下列常见物质中，属于纯净物的是(     ) A．蒸馏水   B．食醋 C．酱油 D．豆浆 答案：【考点】纯净物和混合物的判别． 【专题】结合课本知识的信息． 【分析】纯净物只由一种物质组成，而混合物则由多种物质组成，食蜡中含水和醋酸：酱油中含水和其他很多物质；豆浆中也含水和蛋白质等． 【解答】解：A、蒸馏水中含有一种物质水，属于纯净物．故选项正确； B、食醋中含有醋酸 第二节 语法填空（共10小题，每小题1.5分，满分15分） 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置。 The British people either don’t care or are kept in the dark regarding    31   country’s colonization overseas. When you talk to an average Britisher, he doesn’t seem to know   32    about his country’s glorious days as a result of colonization one or two generations ago. When Britain handed over Hong Kong in 1997, the Hong Kong press went to London and tried to get a sense of the popular mood by interviewing students and business people in the streets. Most of them didn’t know    33    handover event took place. Some expressed surprise to hear the question. Some even thought that Britain returned Hong Kong to Japan! For the British people to know: Hong Kong is a big deal    34    it’s a tiny dot on the map. HK was the most successful British colony, maybe the longest   35     ( keep ) too. Certainly, HK    36    ( bring ) a lot of money to the British Treasury, to the business elites, and to a lot of English civil servants who had worked there before. All you need is to look at the HK government    37      ( office ) records, the salary scales of English officials, the subsidized housing they got, and the    38    ( retire ) benefits they enjoyed. Remember the British colonial government in HK ran continuous huge surpluses every year, a clear sign that they were not spending the money   _ 39   they earned it. The money was deposited in the British Treasury and major banks. If you are a responsible English citizen, you should ask where the surplus money went, if it didn’t go to  40       ( serve ) the people.