小王、小李和小张，同时各做120个同样的机器零件，当小王做完时

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问题解答题

小王、小李和小张，同时各做120个同样的机器零件，当小王做完时，小李做100个，小张做60个，照这样计算，小李做完时，小张没做的有______．

答案

小李的工作量：小张的工作量=100：60=5：3，

120-60-（120-100）×

，

=120-60-12，

=48（个）．

答：小李做完时，小张没做的有48个．

故答案为：48．

填空题

缺词填空。

Everybody knows vegetables and fruit are g 1 for people．Many people eat some fruit each day．Mr and Mrs

Smith like e 2 fruit very much and every day Mrs Smith goes to buy some fruit in the shop near her home. She can

buy all k 3 of fruits there,such as apples,pears, oranges and bananas．In different time of the year the p 4 of

each kind of fruit is not the same,s 5 high,sometimes low. Mrs Smith usually t 6 to buy cheap fruit．And b 7

are Mr Smith's favourite fruit． Mrs Smith buys bananas for him every week． But she always chooses the cheap

ones."Eating fruit can help to keep f 8 ," said Mr Smith．"It's quite d 9 from snacks．Both of them can give us

energy．But snacks l 10 cakes, chocolates and sweets are not good for our health at all,"

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