圈内人常流行这样一句话：“勤奋的学生学GRE，聪明的学生学GMAT, not only-but also 的学LSAT。”
In Patton City, days are categorized as having heavy rainfall (more than two inches),
moderate rainfall (more than one inch, but no more than two inches), light rainfall (at least a trace, but no more than one inch), or no rainfall. In 1990, there were fewer days with light rainfall than in 1910 and fewer with moderate rainfall, yet total rainfall for the year was 20 percent higher in 1990 than in 1910.
If the statements above are true, then it is also possible that in Patton City
A.the number of days with heavy rainfall was lower in 1990 than in 1910
B.the number of days with some rainfall, but no more than two inches, was the same in 1990 as in 1910
C.the number of days with some rainfall, but no more than two inches, was higher in 1990 than in 1910
D.the total number of inches of rain that fell on days with moderate rainfall in 1990 was more than twice what it had been in 1910
E.the average amount of rainfall per month was lower in 1990 than in 1910
In the United States， vacationers account for more than half of all visitors to what are technically called “pure aquariums” but for fewer than one quarter of all visitors to zoos， which usually include a “zoo aquarium” of relatively modest scope.
Which of the following， if true， most helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?
A.In cities that have both a zoo and a pure aquarium， local residents are twice as likely to visit the aquarium as they are to visit the zoo.
B.Virtually all large metropolitan areas have zoos，whereas only a few large metropolitan areas have pure aquariums.
C.Over the last ten years，newly constructed pure aquariums have outnumbered newly established zoos by a factor of two to one.
D.People who visit a zoo in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit a zoo.
E.The zoo aquariums of zoos that are in the same city as a pure aquarium tent to be smaller than the aquariums of zoos that have no pure aquarium nearby.