练习材料：
Lesson22-2 Knowledge and progress 知识和进步
Then knowledge began to be accumulated according to asystematic plan．The trickle became a stream; the stream has now become a torrent．|| Moreover, as soon as new knowledge is acquired, it is now turned to practical account．What is called‘ modern civilization’ is not the result of a balanced development of all man's nature, but of accumulated knowledge applied to practical life．The problem now facing humanity is: What is going to be done with all this knowledge? As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good orevil．It is now being used indifferently for both．Could anyspectacle, for instance, be moregrimly whimsical than that of gunners using science toshattermen's bodies while, close at hand,surgeonsuse it to restore them? We have to ask ourselves very seriously what will happen if this twofold use of knowledge, with its ever-increasing power, continues.
应用配置：L0+L4
知识笔记： systematic/sɪstəˈmætɪk trickle/trɪkəl torrent/tɔrənt evil/ivəl spectacle/spɛktəkəl grimly/grɪmli whimsical/wɪmzɪkəl shatter/ʃætə surgeons/sɜːʤənz
练习感悟：用时40分。今天的段落同样不断，不过难度不算太大。录制的版本不满意，再重新来。最终搞定。
