题目

一个几何体是由若干个大小相同的小立方块搭成的,从正面和上面看到的形状图如图所示,则组成这个几何体的小立方块最多有多少个?请画出此时从左面看到的这个几何体的形状图 . 答案:解:如图, 根据主视图与俯视图得到组成这个几何体的小正方体最多有8个, 所以此时从左面看到的这个几何体的左视图为:17.The new study shows that we spend more time using the mobile Internet than reading newspapers or magazines.According to the European Interactive Advertising Association (ELAA),the average European spends 4.8 hours reading newspapers and magazines but 1.6 hours more using the mobile Internet a week.    The EIAA questioned 15,000 people in 15 European countries,looking at how people are using the Internet and its influence on their everyday lives.It has found that the mobile Internet is increasingly finding its way into the public awareness.Over 71 million Europeans now have Internet access on their mobiles phones.In the UK,10 million people now access the Internet through their mobile phones and spend 6.3 hours doing so in a week.    Unsurprisingly younger generations in the UK are leading the way,with nearly half of the country's 16-to-24-year-olds and a quarter of 25-to-34-year-olds using the mobile Internet,spending 6.5 and 6.2 hours online each week.   Entertainment plays a major role in our mobile Internet lives,with one in five British people using their phones for online games,a third listening to the online radio and 39 percent watching films,TV or other videos at least once a week.One third of those using an Internet phone said they received videos,images or other multimedia on their mobile,and 61 percent said they passed on contents they received.    From a communication point of view,80 percent of those questioned agreed that the Internet had made it easier for them to stay in touch with friends and family.    Alison Fennah,director of the EIAA,said the mobile Internet use had come to the point that marketers should be looking to develop strategies that connect with consumers more effectively."Better devices as well as improved consumer motivation that start coming together in 2011 can make a great difference to extending the online experience."Fennah said.41.How long does a European spend on the mobile Internet per week according to the EIAA?BA.6.2 hours.B.6.4 hours.C.4.8 hours.D.1.6 hours.42.What do the words"doing so"mean in Paragraph 2 refer to?DA:Reading papers and magazines.B.Playing computer games.C.Watching films online.D.Using the mobile Internet.43.What do people mainly use the mobile Internet for?CA.Communication.B.Study.C.Amusement.D.Advertising.44.It can be known from the passage thatDA.more than half of the young people in the UK use the mobile Internet.B.the Internet is the most effective way to stay in touch with friends and family.C.the UK has the largest number of people who use the mobile Internet in Europe.D.better devices and improved consumer motivation help extend the online experience.45.The author wrote the passage to tell us.CA.how to use mobile phones to surf the InternetB.newspapers and magazines will disappear soonC.mobile surfing now is more popular than readingD.how the Internet influences our daily life.
数学 试题推荐