完形填空Isyourschoolbagtooheavy?Thee-

完形填空Is your schoolbag too heavy? The e-schoolbag will help you. It is said that e-schoolbags are going to be brought into1in Chinese middle schools soon. Heavy schoolbags have been a serious 2for a long time. But the e-schoolbag will3. An e-schoolbag is4lighter than a usual schoolbag. Perhaps, the e-schoolbag should be5an e-textbook. It is a small puter for students. It is as6as a usual book,7it can still have all the things for study, such as textbooks, exercise books and so on which can be made8chips(芯片) like stamps. The students can read the text page by page on the screen, take notes, or even send e-mails to their teachers. They only need to 9the right chip into the e-schoolbag. Then they can use it. Some people say10e-textbooks can be easily broken, while others say it is not good for eyes. But only time will tell. 1.A.useB.usefulC.usedD.to use2.A.ideaB.problemC.questionD.thought3.A.work it outB.work out itC.work outD.work them out4.A.veryB.muchC.tooD.so5.A.callB.callsC.calledD.calling6.A.smallB.smallerC.smallestD.most small7.A.andB.asC.orD.but8.A.intoB.fromC.upD.of9.A.bringB.getC.takeD.put10.A.ifB.whatC.thatD.which