阅读下面的短文，根据短文内容为每段文字选出标题。1 Don’t fight wi

问题完形填空

阅读下面的短文，根据短文内容为每段文字选出标题。

1 Don’t fight with your classmates. Every one in the class needs help and friendship. Remember your classmates are the best ones to help you in school.	F In school, don’t feel something difficult or boring. You should join in all kinds of activities. You should be interested in all subjects.	2 Don’t make any excuse if you do not do today’s work and leave it tomorrow. If the class is held up(耽误), it’s difficult to catch up with others.
3 Eating good meals is important, or you will think about food in class. Go to bed on time and keep having enough sleep. Do more sports to keep your body strong.	4 If you get bad marks in your tests, you can feel unhappy. It doesn’t matter, in fact. A person can’t be always successful. Sometimes he also has unpleasant things.	5 You should not play computers too much on weekends. You should go out for a walk and do your homework every day.

阅读短文内容，依照示例F将A－E分别填入文中空缺处，使标题与内容相匹配。
Do Today’s Work Today.
Keep Hopeful.
Keep Healthy.
Plan Your Time.
Protect Your Friendship.
Be Positive about School.

答案

小题1:E

小题2:A

小题3:C

小题4:B

小题5:D

小题1:从第一行第一段话，Don’t fight with your classmates.可知答案是E

小题2:从第一行第三段话，if you do not do today’s work and leave it tomorrow.可知答案是A

小题3:从第二行第一段话，Do more sports to keep your body strong.可知答案是C

小题4:从第二行第二段话，Sometimes he also has unpleasant things.可知答案是B

小题5:从第二行第三段话，You should not play computers too much on weekends.可知答案是D

化学键	H-H	Cl-Cl	H-Cl
生成1mol化学键时放出的能量	436kJ/mol	243kJ/mol	431kJ/mol