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数学
1．If n is a positive integer and r is the remainder when (n-1)(n+1) is divided by 24,what is the value of r?
1)n is not divisible by 2
2)n is not divisible by 3
C
2．For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h (100)+1, then p is?
a.between 2 and 10
b.between 10 and 20
c.between 20 and 30
d.between 30 and 40
e.greater than 40
E
3.A contractor combined x tons of a gravel mixture that contained 10 percent gravel G, by weight, with y tons of a mixture that contained 2 percent gravel G, by weight, to produce z tons of a mixture that was 5 percent gravel G, by weight. What is the value of x?
1) y=10
2) z=16
D
4.A certain law firm consists of 4 senior partners and 6 junior partners. How many different groups of 3 partners can be formed in which at least one member of the group is a senior partner? ( Two groups are considered different if at least one group member is different.)
a.48
b.100
c.120
d.288
e.600
B
5.Before being simplified, the instructions for computing income tax in Country R were to add 2 percent f one’s annual income to the average( arithmetic mean) of 100 units of Country R’s currency and 1 percent of one’s annual income. Which of the following represents the simplified formula for computing the income tax, in Coutry R’s currency, for a person in that country whose annual income is I?
A. 50+I/200
B. 50+3I/100
C 50+I/40
D 100+I/50
E 100+3I/100
C
语法：（括号是划线部分）
1.Unlike most other mergers in the utility industry, which have been driven by the need to save money and extend companies’ service areas, the merger of the nation’s leading gas （and electric company is intended to create a huge marketing network for the utilities in question with states opening） their utility markets to competition.
A and electric company is intended to create a huge marketing network for the utilities in question with states opening
B. and electric companies are intended to create a huge network for marketing the utilities in question as states open
C. and electric companies are intended to crate a huge network that will be arketing the utilities in question, with states opening
D. company and electric company are intending to create a huge marketing network for the utilities in question, with states opening
E. company and leading electric company is intended to create a huge network for marketing the utilities in question as states open
E
这道题无法排掉E。。
2. So dogged were Frances Perkins’ investigations of the garment industry, （and her lobbying for wage and hour reform was persistent）, Alfred E Smith and Franklin D Roosevelt recruited Perkins to work within the government, rather than as social worker.
A. and her lobbying for wage and hour reform was persistent,
B. and lobbying for wage and hour reform was persistent, so that
C. her lobbying for wage and hour reform persistent, that
D. lobbying for wage and hour reform was so persistent,
E so persistent her lobbying for wage and hour reform, that
E
这道题确实只能选出so…that…?C/E 为什么选E？
3.（Not only did the systematic clearing of forests in the United States create farmland ( especially in the Northest) and gave consumers relatively houses and furniture, but it also） caused erosion and very quickly deforested whole regions.
A. Not only did the systematic clearing of forests in the United States create farmland ( especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also
B. Not only did the systematic clearing of forests in the United States create farmland ( especially in the Northeast), which gave consumers relatively inexpensive houses and furniture, but also
C. The systematic clearing of forests in the United States, creating farmland( especially in the Northeast) and giving consumers relatively inexpensive houses and furniture, but also
D. The systematic clearing of forests in the United States created farmland ( especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also
E. The systematic clearing of forests in the United States not only created farmland ( especially in the Northeast), giving consumers relatively inexpensive houses and furniture but it
D |
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发表于 2012-6-22 15:37:01
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