Unit 6 When was it invented?

What is the best way to study? This is a very important question. Some Chinese students often study very hard 1 long hours. This is a 2 habit (习惯), but it is not a better way to 3 . A good student must 4 enough sleep, enough food and enough rest. Every 5 you need to take a walk or play basketball or ping-pong or sing a song. When you 6 to your studies, you’ll find yourself 7 than before and you’ll learn more. Perhaps we can 8 that learning English is like taking Chinese medicine, we mean that like Chinese medicine, the effects (效果) of your study come slowly but 9 . Learn every day and effects will 10 just like Chinese medicine.