阅读理解。
根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Since the prehistoric times, man has had an urge to satisfy his needs, but as we climbed the steps of
evolution with giant leaps, we somehow left behind common. sense and logical thinking-we forgot that we
have stopped thinking ahead of times.
If you are hungry, what do you do? Grab a piece of your favorite meal and stay quiet after that? 1 But
it never lets you know, because you keep it busy thinking about your favorite star and many such absurd
things. When mind looses its freedom to grow, creativity gets a full stop. This might be the reason why we
all sometimes think " What happens next?" " Why can't I think?". Well this is the aftermath of using our brain
for thinking of not-so-worthy things.
Hunger of the mind can be actually satisfied through extensive reading. Now why reading and not
watching TV? 2 Just like that to develop other aspects of our life, we have to take advantage of reading.
You have innumerable number of books in this world which will answer all your "How to?" questions. 3
Now this seed is un- knowingly used by you in your future to develop new ideas. The same seed if used many
times, can help you link and relate a lot of things, of which you would have never thought of in your wildest
dreams! This is nothing other than creativity. The larger number of books you read, your mind will open up
like never before. Also this improves your speaking skills to a large extent and also makes a sig nificant
contribution to your vocabulary in writing. 4
Actually, I had a problem in speaking English fluently, but as I read, I could improve significantly. 5 So
guys do join me and give food for your thoughts by reading, reading and more reading. Now what are you
waiting for?
A. Soon you will find no difficulty employing the right words when speaking.
B. The interesting part of the book is stored in your mind as a seed.
C. I am still on the path of improvement to satisfy my thirst.
D. Just like your stomach, even your mind is hungry.
E. Because reading has been the most educative tool used by us right from the childhood.
F. Within no time you never seem to run out of the right words at the right time.
G. Because watching TV too often will make you a" couch potato".
、
转化为
的反应中，
，
，3min后
。计算该反应的反应速率是多少？3min 时的
的终了浓度为
，起始浓度为零，
和
的转化浓度
、
和
从