Millions of Americans are trying to lose weight（减肥）．Some people eat less food，__1__ do running，exercise with machines，take medicines，or even have operations（手术）．So losing weight is __2__ work，and it costs a lot of money．But __3__ do so many people want to lose weight?

Many people worry about their looks of bodies．__4__ many people，looking nice also mean to be thin．Other people worry about their health as many doctors say overweight（超重）is not good．Most people want to find a __5__ and easier way to lose weight and this kind of books is very popular．These books tell people how to lose weight．Each year，a lot of new books like these are __6__．Each book says it can __7__ help people lose weight．

Men and women spend several hundred dollars a day losing weight at the health centers．People live there for one week or two taking exercise，eating different foods．Food there may be just a little．All the work is for loosing weight．After 4 days on the program，one woman called Mrs. Walt __8__ five pounds（2.27 kg）．At $400 a day，it took her $320 to lose each pound．But she said she was still __9__ to do so．

Health centers，books，medicines，operations，running and exercise machines all __10__ a lot of money．So in the United States，losing weight may mean losing money．

1．A．other                     B．another                C．others

2．A．good                     B．hard                    C．easy

3．A．why                      B．when                   C．how

4．A．As                        B．In                        C．For

5．A．worse                   B．harder                  C．faster

6．A．written                  B．bought                 C．taken

7．A．easy                      B．hardly                  C．easily

8．A．lost                       B．lose                     C．loses

9．A．angry                    B．glad                     C．sorry

10．A．have                    B．want                    C．need