2019年完形填空议论文和说明文类特训题（含详解）

2019年完形填空议论文和说明文类特训题（含详解） 1.阅读下面的短文,然后从文章后面所给的各个选项中选出一个最佳选项。     We are often warned by our teacher not to waste precious time, because time    1    will never return. I think it quite    2    . What does time look like? Nobody knows for we can’t see it or    3    it and no amount of money can    4    it. Time is abstract, so we have to    5    about it.     Time passes very quickly. Some students say they don’t have    6    time to review all their lessons. It is because they don’t know how to make     7    of their time. They waste it in going to theatres, cinemas and parks, and doing    8    things. Why do we study every day? Why do we    9   ? Why do most people would rather     10    buses instead of walking? The    11    is very simple. We wish to save time because time is    12   .     Today we are living in the 21st century. We look upon time as    13    . When a person dies, his life    14    . Since life is short, we must    15    our time and energy to our study so that we m