选出应填入下面一段英语中______内的正确答案。 The task at hand now is to (1) the programmers who
选出应填入下面一段英语中______内的正确答案。
The task at hand now is to(1)the programmers who still use yesterday's software technology to solve today's software problems. Object-oriented programming requires a new attitude toward problem(2). Problem(2)with computer system becomes more natural. Application can(3)be translated into(4). It is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to(5)programmers who have substantial experience in applying conventional programnung language constructs.