题目

X、Y、Z、W四种物质有如图转化关系。下列有关物质的推断不正确的是XYZW ANaNa2O2NaOHNaCl BFe(OH)3FeCl3FeCl2Fe(OH)2 CAlNaAlO2Al(OH)3AlCl3 DCl2HClHClONaClO 答案：COne day I came home from school, changed my clothes and got ready for work. I worked at a local restaurant in town as a cashier and waiter. I went to work feeling　　. And to make matters worse, I was busy that evening. It’s the same thing over and over again, 　　with customers who complain about their food and where they are　　is too big or too small. Little things like that tend to　　a lot of us　　but we manage to deal with them. Three elderly ladies walked in and sat by the windows. It happened to be the very　　near where I keep the dirty　　in the boxes. Trying to keep up with all the dirty tables, customers leaving and coming in and　　running all over the house, it was crazy. 　　these elderly women were watching　　I was working to make sure every table was clean and ready for the next customers. When they　　their meals, I took their plates back to the kitchen. They talked to me for a while about school, how I was doing, what　　I was in and what I planned to do in the future. 　　they were leaving, they walked past me and one of them said to me in a　　and gentle voice, “You are going places. ”And that was it. They left the　　and I had tears in my eyes, because they gave me　　to believe in myself. They 　　my spirit from being down and gave me a　　to keep on working hard. People used to tell me that I couldn’t have a career in　　until I had a degree. I’m now a co-anchor(联合主持人)of a student-produced television　　. And the best thing is: I’m only 17 years old and I am a senior in high school. 小题1:A．tiredB．excited　　C．up　　　　D．down小题2:A．dealing B．helpingC．talkingD．meeting小题3:A．satB．seatedC．laid D．dressed小题4:A．attract B．avoidC．adjustD．annoy小题5:A．employeesB．customersC．bossesD．employers小题6:A．tableB．boxC．spot D．kitchen小题7:A．dishes B．roomsC．clothesD．chairs小题8:A．menB．womenC．waitersD．bosses小题9:A．And B．OtherwiseC．ButD．So小题10:A．whatB．howC．whereD．why小题11:A．finishedB．completedC．orderedD．got小题12:A．place B．gradeC．mark D．position小题13:A．BeforeB．WhileC．AsD．After小题14:A．confidentB．loud C．lowD．pleasant小题15:A．kitchenB．houseC．restaurantD．table小题16:A．abilityB．courageC．imaginationD．time小题17:A．put downB．picked upC．took overD．pointed out小题18:A．causeB．reasonC．presentD．permission小题19:A．televisionB．governmentC．schoolD．restaurant小题20:A．companyB．stationC．show D．advertisement