题目内容

1/4,2/9,3/16,4/25,( )

A. 5/36
B. 7/36
C. 5/28
D. 2/32

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小红从小丽那里借来一本书,每天看5页,7天看完这本书的一半,以后每天多看2页,正好在借期看完,这本书的借期是几天( )

A. 10
B. 12
C. 14
D. 15

257,178,259,173,261,168,263,( )

A. 157
B. 133
C. 152
D. 163

除去中药中多糖常用( )法

A. 酸减法
B. 水醇法
C. 醇醚法
D. 活性炭
E. 盐析法

The company at which Mark is employed has 80 employees, each of whom has a different salary. Mark’s salary of $43,700 is the second-highest salary in the first quartile of the 80 salaries. If the company were to hire 8 new employees at salaries that are less than the lowest of the 80 salaries, what would Mark’s salary be with respect to the quartiles of the 88 salaries at the company, assuming no other changes in the salaries

A. The fourth-highest salary in the first quartile
B. The highest salary in the first quartile
C. The second-lowest salary in the second quartile
D. The third-lowest salary in the second quartile
E. The fifth-lowest salary in the second quartile

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