Riding a bicycle is great exercise． Depending on how fast you ride，you can （1）easilyeasily（easy） burn 700 to 1，000 calories in an hour． It helps relax the muscles in your lower body． Cycling is gentle on the joints，（2）whichwhichmakes it a good choice for people who suffer from arthritis， a disease that （3）causescauses（cause） pain in one or more joints of the body．
If you decide to get started， don't try to do too much too soon．（4）StartStart（start） with short rides of 10 miles or so on flat roads without a lot of traffic． When it becomes easy，you can add five miles or so． You will want to avoid big （5）hillshills（hill）when cycling， but they can be an （6）interestinginteresting（interest） challenge if you hope to get into better shape．
Even if it didn't do anything for your health， riding a bicycle would still be a great way （7）to getto get（get）around． Bicycles don't cause （8）pollutionpollution（pollute）and they let you see the neighbourhood or the countryside at slow speed without a car window getting in （9）thethe way．
Finally， riding for exercise or jumping on the bike （10）forforfun will just become a habit，and you won't even give much thought to the fact that you are exercising．
【考點】人與自我．
【答案】easily；which；causes；Start；hills；interesting；to get；pollution；the；for
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發(fā)布：2024/12/13 9:30:2組卷：60引用：2難度：0.5
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3．Dear Laura，
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Yours，
Betty發(fā)布：2025/1/30 8:0:1組卷：12引用：2難度：0.5