You must keep up with those friends who have more strength and intelligence than you

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• Smoking,which may be a pleasure for some people,is a serious source of discomfort for their fellows.Further,medical authorities express their 21 about the effect of smoking 22 the health not only of those who smoke but also of those who do not.In fact,nonsmokers who must 23 inhale(吸入) the air polluted by tobacco smoke may 24 more than the smokers themselves.As you are doubtless 25 ,a considerable number of our students have joined in an effort to 26 t
• 英语完形填空,就差一题!Smoking,which may be a pleasure for some people,is a serious source of discomfort for their fellows.Further,medical authorities express their 21 about the effect of smoking 22 the health not only of those who smoke but also of those who do not.In fact,nonsmokers who must 23 inhale(吸入) the air polluted by tobacco smoke may 24 more than the smokers themselves.As you are doubtless 25 ,a considerable number of our students have joined in an ef
• 完形填空中的 并且具体的解释为什么要这么选哦There is more good_9_for people who have friends.They live longer than people who don't.Why?It_10_be that they are happier.Being happy helps you stay well.Or it could be just knowing thay someone cares.If someone cares about you,you take better care of yourself.( )9.A.confidence B.thought C.knowledge D.news( )10.A.must B.should C.could D.need
• When you were very young,you liked to play with your friends.Did you find that playtime was always more fun when everyone shared the toys?Everyone got a turn.No one was left out.That’s a life lesson that changes as you get older.As you grow up,you begin to understand that others have less than you do – in China and in the world.And that those of us who "have" things should help those who "have less" than we do.The idea of sharing takes on a new meanin
• You must keep up with those friends who have more strength and intelligence than you
• You must keep up with those friends who have more strength and intelligence than you
• 某人用100牛的水平力分别作用在甲乙两物上,使它们分别以1米/秒和2米/秒的速度水平运动了10米,则人对甲乙两物做功之比和功率之比分别为
• 已知双曲线x2a2−y2b2＝1（a＞0，b＞0）的两个焦点为F1、F2，点A在双曲线第一象限的图象上，若△AF1F2的面积为1，且tan∠AF1F2=12，tan∠AF2F1=-2，则双曲线方程为（　　） A.5x212− y23＝1 B