第21课时 九年级下册 Modules 5～8
一、阅读理解
(2018·山东淄博临淄第一中学模拟)What will man be like in the future—in 5，000 or even 50，000 years from now? We can only make a guess, of course, but we can be sure that he will be different from what he is today. For man is slowly changing all the time.
Let us take an example. Man, even five hundred years ago, was shorter than he is today. Now, on the average, men are about three inches taller. Five hundred years is a relatively(相对地) short period of time, so we may suppose that man will continue to grow taller.
Again, in the modern world we use our brains a great deal. Even so, we still make use of
