1.If we destroy old buildings, then we will ruin the traditionalculture and heritage.
2.You would miss the chance to interact with other students if youused internet at home.
3.Once you change your present job, you will be faced with the dangerof being unemployed.
1.Undoubtedly, practical courses can be used to the reality, which isof vital importance to their development in the future.
2.Children tend to imitate what they have seen and heard on massmedia, which is sometimes dangerous and harmful.
3.The majority of students believe that part-time jobs will providethem with more opportunities to develop their interpersonal skills, which mayput them in a favorable position in the future job markets.
1.It is for the benefit of maintaining the ecological balance thathuman beings ought to protect the endangered animal species.
2.It is not until people suffer from some fatal diseases such as SARSand AIDS that they are becoming aware of how significant it is for thegovernment to invest more money in medical care.
1.This view is widely acknowledged;however，there is little evidence that smoking is beneficial to people’s health.
2.Although(While) the computer has been widely used in class, itcannot replace the role of teachers.
3.Reasonable as the opinion sounds, it cannot bear much analysis.
4.In spite of a lot of conveniencesthat cars bring to people’s life, they can create a series of serious problems.