Do you often watch TV?Many middle school students like   41   TV very much.But   42   Monday to Friday，they must go to school.So on Saturday and Sunday they   43   at home and watch TV day and night.They don’t know it’s   44   for their eyes.Usually，children like to eat fish，meat and chicken，but they don’t like vegetables   45   fruit.They don’t know   46   more vegetables and fruit is  47   than eating meat.At school the children only do a few   48   of sports or never do any sport.They don’t know it isn’t good for their health.We always   49  of ways to keep healthy.We should eat   50   vegetables and fruits and do enough sports every day.And we should watch TV and read books in right ways.

【考点】连词和感叹词，介词和介词短语，固定搭配，社会现象类，及物动词和不及物动词，比较级，名词辨析，动词辨析，形容词辨析

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