完形填空

　　Methods of studying vary; what works 　　1　　 for some students doesn’t work at all for others．The only thing you can do is experiment 　　2　　 you find a system that does work for you．But two things are sure：　　3　　 else can do your studying for you, and unless you do find a system that works, you won’t although college．Meantime, there are a few rules that 　　4　　 for everybody．The hint is “don’t get 　　5　　”．

　　The problem of studying, 　　6　　 enough to start with, becomes almost 　　7　　 when you are trying to do 　　8　　 in one weekend．　　9　　 the fastest readers have trouble 　　10　　 that．And if you are behind in written work that must be 　　11　　, the teacher who accepts it 　　12　　 late will probably not give you good credit．Perhaps he may not accept it 　　13　　．Getting behind in one class because you are spending so much time on another is really no 　　14　　．Feeling pretty virtuous about the seven hours you spend on chemistry won’ t 　　15　　 one bit if the history teacher pops a quiz．And many freshmen do get into trouble by spending too much time on one class at the 　　16　　 of the others, either because they like one class much better or ?because they find it so much harder that they think, they should 　　17　　 all their time to it．　　18　　 the reason, going the whole work for one class and neglecting the rest of them is a mistake, if you face this 　　19　　, begin with the shortest and easiest 　　20　　．Get them out of the way and then go to the more difficult, time consuming work．

阅读下面短文，掌握其大意，然后从各题所给的四个选项(A、B、C和D)中，选出最佳选项。

　　The famous British inventor George Stephanson was born in 1781 and died in 1848．One of his 　　1　　 important inventions was the train．He 　　2　　 his first train when he was forty-four years old．When he was experimenting with the 　　3　　 engine on the train, he met with 　　4　　 from the government, the newspapers and the gentlemen in the country．They said that the noise and the smoke would 　　5　　 cows, horses and sheep, that the 　　6　　 would burst or that the hot coals from it would 　　7　　 their houses．At that time, 　　8　　 people believed what they said．

　　George Stephanson 　　9　　 the people that the train could go on small 　　10　　, could pull carriages 　　11　　 goods and passengers and there was 　　12　　 to them．It was a very 　　13　　 matter for him to 　　14　　 them believe．However, after 　　15　　, he was able to do it; and the first train that 　　16　　 by Stephanson himself 　　17　　 what he had said．

　　The first day 　　18　　 the people along the way 　　19　　 the noises of the train 　　20　　 and saw it running quickly to them, they ran back home as quickly as they could and closed their doors tightly, for they thought it a genius．They did not dare to come out until it had passed．