Ⅲ.综合运用

The Influence of Your Friends

Most people care a lot about their appearance,e__1__girls.If you want to lose weight and keep fit,you must pay attention to the friends around you,because scientists have found that the figures of your friends have a great i__2__on your own body shape.

Recent studies have p__3__out the“contagion effect（传染效应）”of obesity，which means that people with fat friends are more l__4__to gain weight.Dr.David Shoham has released the research information in a magazine and he thinks this study will help teenagers understand their problems with obesity better.

The researchers have l__5__into two large high schools in the U.S.A.They have calculated the heights and weights of 624 students at Jefferson High and 1,151 students at Sunshine High.The result shows that there is a close c__6__between the circle of friends and obesity.If a fat student has a slim friend,it will be easier for him to slim down.However,if he has a fat friend,it will be more d__7__for him to lose weight.

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