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Àý1¡¢Jogging became popular some twenty years ago and has remained a favorite way of keeping fit£®It is       £®Teenagers can jog and       £¬with caution , can people in their seventies .   running at a steady speed over short or long distances

One of the main        jogging has over many other sports is that it can be done anywhere . People jog around campuses , in parks and even in urban areas . Special fields and running tracks are not        .

Similarly , no special        is required—no costly hats , gloves , or balls . Good quality running shoes are        , but otherwise the jogger can simply wear loose , comfortable clothing .

Having bended and        as basic warm-up , you are ready to begin jogging now .

1£®A£®ori ginally   B£®basically   C£®necessarily       D£®especially

2£®A£®so       B£®yet    C£®such            D£®thus

3£®A£®drawbacks B£®usages      C£®advantages       D£®points

4£®A£®essential     B£®satisfactory      C£®sensible        D£®convenient

5£®A£®decoration B£®instrument       C£®clothing        D£®equipment

6£®A£®primary      B£®advisable C£®unnecessary      D£®acceptable