单项选择题


If Company X considered a good year to be any year in which earnings were at least 20percent of sales，how many of the years shown were good years（）

A. None
B. One
C. TWO
D. Three
E. Four

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单项选择题
If 2 people，who would otherwise be driving alone in subcompact cars，drive in a2-person car pool using subcompact cars，what is the total of their average annual costs of transportation to work（）

A. $821
B. $1，400
C. $1，521
D. $1，642
E. $2，342
单项选择题
The average acreage per farm was approximately 140 in 1910 and 220 in1950．The ration of the total farmland acreage in 1910 to the total in 1950 was most nearly（）

A.A
B.B
C.C
D.D
E.E
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