Many Americans are trying to lose weight．Some eat less food and hardly have any fats or sweets．Others do running， 36　 with machines，take medicine，or even have operations．So you Can see losing weight is　 37 　work，and it also costs a lot of money．

But　 38　 do so many people in the US want to lose weight? Because they worry about their 39　 ．For many people，looking nice means being thin．Other people worry about their health as many　 40　 say overweight is not good．

　　 Most people want to find a faster and easier way to　 41　 fat，and books of this kind are very popular．These books 　42　 　people how to lose weight．Each year a lot of new books like these are written．Each one says it can 　43　 help people take fat away．

Losing weight can be 　44 　Some overweight people go to health centers，like La Costa in Califomia．Men and women　 45　 several hundred dollars a day at these health centers．So in the United States，losing weight may mean losing money,too．

　 (　 )36．A．work 　　 B．run　 　　　 C．exercise 　 D．experience

　 (　 )37．A．easy 　　 B．hard　　 　 C．useful 　　 D．helpless　

　 (　 )38．A．why 　　 B．how　　 　 C．when 　　　 D．where

　 (　 )39．A．money 　 B．health　　 　　　 C．looks 　　　 D．bodies

　 (　 )40．A．officials 　　　 B．parents　 　 C．teachers 　 D．doctors

　 (　 )41．A．fix up 　 B．put on　 　 C．take off 　 D．stay away

　 (　 )42．A．make 　　 B．ask　 　　　 C．lead D．tell

　 (　 )43．A．never 　 B．hardly　 　 C．just 　 D．easily

　 (　 )44．A．cheap 　 B．expensive　 　　 C．important 　　　 D．necessary

　 (　 )45．A．pay 　　　 B．lose　 　　　 C．make 　　　 D．waste

35．一We 　　　our friend in Hong Kong．

　　　　　 一Well，have a good time．

　　 A．visited　　 　　　 B．are visiting 　　　 C．have visited D．were visiting

34．一It's 10 o'clock，I must go now．

　　　　　　 一It’s raining outside．Don’t leave 　　　　　it stops．

　　 A．when　 　　 B．since　 　　 C．while 　　　 D．until

33．-Who plays soccer　　　 in your class?

　　　　　 -Li Lei 　　　．

　　 A．best；plays　 　 B．best；does 　　 C．better,plays 　　 D．better, does

32．-Will you stay for supper?

　　　　　 -Sorry,I 　　　　．My sister is coming to see me．

　　 A．shouldn’t　 　　　 B．needn’t　　 C．can’t 　　 D．mustn’t

31．He said he found a job 　　　　a foreign language teacher．

　　 A．as　　 　　　　　　 B．1ike　　 　 C．with　　 　 D．in

30．The boy could ride a bike 　　　of six．

　　 A．at age　 　　 B．in the age　 　　　 C．on age 　　 D．at the age