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单选题
Five hundred families were surveyed about the number of computers in their home. The circle graph seen below shows the results. How many families had no computer?
A
25
B
50
C
100
D
125
E
200
参考答案
参考解析
解析：
Calculate 5% of 500. Number with no computer = 0. 05×500 = 25.
Calculate 5% of 500. Number with no computer = 0. 05×500 = 25.
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共用题干
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共用题干
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共用题干
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The company had about 20 notebook computers,but only one-third__________used regularly.A.is
B.are
C.was
D.were
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单选题The table below summarizes the results of a survey in which families reported the number of television sets they have in their homes. What percent of the families surveyed have two or fewer television sets?A
75%B
68%C
60%D
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考题
单选题We know from this passage that over one hundred seventy years ago ______.A
no women worked outside their homesB
women were considered as children by the lawC
women cared nothing about how their family lives wereD
women were not allowed to decide how to spend their money or how to teach children
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单选题According to the passage, one of the reasons why readers in the 1920s and 130s were attracted by free insurance policies was that ______.A
they were afraid of being unable to workB
jobs were more dangerous thenC
they had bigger families to look afterD
money was given away with the policies
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单选题Which of the following is correct according to the text?A
Of the criminals arrested in 1970, fifty-seven percent were youths below twenty five of age.B
Lack of education has little to do with the crime rate.C
Differences in state laws for death penalty also account for the increase of crime rate.D
Drug smuggling is the only product of too many shows and reports.
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单选题The sentence “Children are a relatively modern invention” underlined in Paragraph 1 means that children .A
were exactly the same as adults a few hundred years agoB
did not exist at that time because there were no families yetC
were not different from adults in physical appearanceD
were not different from adults
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单选题—How many people were invited to the meeting?—About six ______A
hundredB
hundredsC
hundred ofD
hundreds of
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单选题Consider the following: Which statement best describes the meaning of the value for the key_len column?（）A
It shows the total size of the index rowB
It shows how many columns in the index are examinedC
It shows the number of characters indexed in the keyD
It shows how many bytes will be used from each index row
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单选题The circle graphs below show the production numbers for certain Ford Mustangs in 1965 and 1971. Approximately how many more two-door hardtop coupes were made in 1971 than in 1965?A
36,000B
38,303C
44,960D
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单选题A total of 250 students participate in five different school-sponsored clubs. The bar graph below shows the number of students who participate in each club. 40% of the members of Club A are in Club B. How many of the members in Club A are not in Club B?A
28B
32C
42D
48E
52
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