题目

One should be moderate （ 适度的） in all things. Moderation is always the safest way to do things, and a virtue we should have. Let’s take the student life for example. There are some students who study too hard and play too little, while there are others who play too much and study too little. On the one hand, it is harmful to his health if he has too few physical exercises, and on the other hand, it is harmful to his mind if he plays too much. In the matter of eating, one also should be moderate. Do not eat too much or too little. Too much eating will make you sick, while too little 口算。 92-90= 77-7= 40+3= 82+10= 68-8= 75-70= 36-9= 93-60=