【单选题】During the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.
【简答题】Hello class, If each of you were to bet on your future, what would it be? How about seeing yourself as a winner! Take my word for it: everyone — yes, I mean every single one of you! — is born with 1) ...
【简答题】It is only during the last few years that man has generally realized that in the world of nature a balance exists between all forms of life. No living thing can exist by itself: it is a part of a syst...
【单选题】听力原文: During the last few years, there has been an enormous increase in the number of shops, stores and supermarkets which provide facilities for self-service. Their general purpose is to provide good...