题目内容

Which of the following statements about the statistics of pet ownership in the US is wrong?

A. It's estimated that 78 million dogs & 85.8 million cats are owned in the United States. ~44% of all households in the United States have a dog, & 35% have a cat, according to American Pet Products Association (APPA).
B. APPA reports that 64% of dogs are purchased from breeders, while 23% of dogs & 31% of cats are obtained from an animal shelter or humane society.
C. ~6.5 million companion animals enter US animal shelters nationwide every year. Of those, ~3.3 million are dogs and 3.2 million are cats.
D. Each year, ~1.5 million shelter animals are euthanized (670,000 dogs & 860,000 cats). ~3.2 million shelter animals are adopted per year (1.6 million dogs & 1.6 million cats).

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About ____ million research animals including mice, rats, and birds were killed in the US in 2016.

A. 20
B. 26
C. 30
D. 36

Overall, the number of animals used in research in the US rose 6.9% from 767,622 in 2015 to _____________ in 2016.

A. 780,812
B. 800,812
C. 820,812
D. 850,812

In 2016, the Department of Agriculture of the US listed 60,979 dogs, 18,898 cats, __________ non-human primates, 183,237 guinea pigs, 102,633 hamsters, 139,391 rabbits, 83,059 farm animals, & 161,467 other mammals, a total of 820,812.

A. 61,188
B. 71,188
C. 81,188
D. 101,188

BycomparingwithEuropeanUnion(EU)data,whereallvertebratespeciesarecounted,SpeakingofResearchestimatedthataround____millionvertebrateswereusedinresearchintheUSin2016.

A. 10
B. 11
C. 12
D. 14

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