单项选择题：( )能确切地说明数据分布的离散程度和波动规律，是最常用的反映数据变异程度的特征值

题型：单项选择题

Matt grow the best vegetables in the village . He grows fruit too--big , sweet apples and oranges . And what else ? Well , the biggest and the prettiest flowers . Things grow in Matt' s garden all through the year . He cuts some flowers for his sitting room table ; and of course , he eats some fruit and vegetables . But he sells everything else in the market . Matt is not a poor man .

He knows a few other gardens ; but he does not have any friends . You might ask , " What is that ? Why doesn ' t he have friends ? "

I will tell you . People do not understand him . And they do not understand his garden , " Why not ? " you will ask . " It' s a very good garden , isn' t it ? "

It is a wonderful garden . Matt plants things in spring , summer and autumn and winter . After that he does very little work . He sits in the garden with his small radio . And everything grows .

People ask , " How does Matt grow these wonderful things ? He waters the plants sometimes , but he doesn' t do anything else . He just sits under an orange tree with his radio . He listens to music nearly all day ! " And that is all quite true , people cannot understand it , and so they don' t like it very much .

Matt likes music . But what about the garden ? Who does the work ? I will tell you another true thing : the music does the work . All plants love music ; and Matt knows that .

Do you want big vegetables and the loveliest flowers ? Well , just give your plants a lot of music ,

66.There are not only vegetables and flowers , but also ______ in Matt' s garden .

A. plants B. fruit trees C. ants D. crops

67.Matt makes a living by _______.

A. selling his vegetables , fruit and flowers

B. growing trees in his garden

C. working in the market

D. helping other people growing plants

68.. Everything in Matt' s garden grows well because _____

A. he has a good garden

B. he is good at growing things and likes listening to the radio

C. music helps his plants a lot

D. he is very hardworking

69. People think that ______ .

A. Matt' s garden is better than theirs

B. Matt works harder than they

C. Matt knows how to grow vegetables well

D. the radio helps Matt to grow veveything well in his garden

70. People don' t like Matt because ____.

A. he doesn' t give thim any vegetables or fruit

B. he listens to the radio too much

C. they are jealous（嫉妒的） of him

D. Matt doesn' t let them listen to his radio

查看答案

( )能确切地说明数据分布的离散程度和波动规律，是最常用的反映数据变异程度的特征值

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