问题补充：
In China, more and more middle school students are gettingsleeping time than before.Most students sleep less than 8 hours every nightthey have too much homework to do. Some homework is given by their teachers. And some by their .Also , some students don’t know how to save time, they are not enough while they do their homework., so they make many mistakes, and it takes them a lot of time. Some students_too much time watching TV programs or playing computer games. Theyvery late. Some students have to get up early every morning on weekdays to get to school on time bus or bike. It can be a time from home to school.
School and parents should cut down some of the so that the children can enjoy more than 8 hours of sleep every night for their health. As we all know ,children are our country’s .They should be well cared for.
【小题1】A．longerB．shorterC．fewD．much【小题2】A．becauseB．but C．soD．after【小题3】A．friendsB．schoolsC．brothersD．parents【小题4】A．interestedB．carefulC．happyD．knowledgeable【小题5】A．spendB．payC．takeD．cost【小题6】A．stay upB．give upC．turn upD．put up【小题7】A．onB．inC．byD．for【小题8】A．long B．shortC．difficultD．happy【小题9】A．housework B．homeworkC．teamworkD．class【小题10】A．problemB．difficultyC．interestD．futureB
答案：
(答案→)B
解析：这篇短文主要介绍了在中国，中学生的负担很重，睡眠时间较少的原因。由于作业多，还有的学生花费许多的时间观看电视节目或者玩电脑游戏，这样导致睡眠时间不足。
【小题1】考查形容词及语境的理解。句意：在中国，越来越多的中学生的睡眠时间比以前变得少了。longer更长；shorter更短；few很少的；much许多的。根据下文大意可知，这里指的是睡眠少了，本题选B。
【小题2】考查连词及语境的理解。句意：因为有许多作业要做，大多数的学生每晚睡眠时间少于8小时。because因为but但是so所以after在……之后，they have too much homework to do是睡眠时间少的原因，故选A。
【小题3】考查名词及语境的理解。句意：一些作业是家长给学生留的。friends朋友们schools学校brothers兄弟parents父母，根据常识，有时学生父母会给学生留课外作业。故选D。
【小题4】考查形容词级语境的理解。句意：他们做作业时粗心大意，所以他们产生了许多错误。interested有兴趣的；careful仔细的；happy高兴的；knowledgeable有见识的。根据make many mistakes可知，做作业时不仔细，故选B。
【小题5】考查动词及语境的理解。句意：一些学生花费许多的时间观看电视节目或者玩电脑游戏。spend花费（时间/金钱）pay支付take耗费（时间）cost花费。spend (in)doing sth.花费时间做某事。故选A。
【小题6】考查动词短语及语境的理解。句意：他们熬夜到很晚。stay up熬夜give up放弃turn up出现，发生put up提供，建造，stay up late深夜不睡，熬夜。固定短语。根据Some students_5too much time watching TV programs or playing computer games可知他们贪玩，所以睡觉很晚，故选A。
【小题7】考查介词及语境的理解。句意：每周，一些学生每天早晨必须早起，通过坐公交或者骑自行车，按时到达学校。on在……之上;in在……里面;by通过;for为了，固定用法by+交通工具，表示搭乘……（交通工具）。故选C。
【小题8】考查形容词及语境的理解。句意：从家到学校会是很长时间。long长的；short短的；difficult困难的；happy高兴的。根据前文句意，可知从家到学校，会花费学生很长的时间。故选A。
【小题9】考查名词及语境的理解。句意：为了学生的健康，学校和家长应该减少一些家庭作业，以便学生每晚可以享受到8小时以上的睡眠时间。housework家务活；homework家庭作业；teamwork团队协作；class班级。根据前文句意可知，应该减少的是家庭作业的数量。故选B。
【小题10】考查名词及语境的理解。句意：正如我们所知道的，孩子们是我们祖国的未来。problem问题；difficulty困难的； interest兴趣；future未来，根据常识，可知本题选D。
