重庆市2020年专升本考试科目、考试题题型题量

Eating an apple a day doesn′t keep the doctor away,but it does reduce the amount of trips you?make to the drug store per year．That′s according to a new study that investigates whether there′s?any truth in the old saying．
A team of researchers led by Dr Matthew Davis,of the University of Michigan School of?Nursing,asked 8,399 participants to answer survey questions about diet and health．A total of 753?were apple eaters,consuming at least 149g of raw apple per day．The remaining 7,646 were classed?as non-apple eaters．When both groups answered questions on trips to the doctor and trips to the drug?store per year,the apple eaters were found to be 27%less likely to visit the druggist for drugs．
Trips to the doctor were not significantly affected by apple consumption,though．“Evidence does?not support that an apple a day keeps the doctor away．However,the small number of US adults who?eat an apple a day does appear to use fewer prescription medications,”the study concludes．
Apple eaters were also found to be less likely to smoke and be more likely to have a higher?educational attainment than non-apple eaters．While apples do not compete with oranges,they do?contain some immune(免疫的)system-increasing vitamin
C,which may be why apple-eaters visit?the druggist less．With over 8mg of vitamin C per medium-sized fruit,an apple can provide roughly?14%your daily recommended intake．
Previous studies have also linked apple consumption to a lower risk of Type 2 diabetes(二型糖尿病),improved lung function and a lower risk of colon(结肠)cancer．

What can we learn from the passage?

A.Apples are better than oranges．
B.Apples do have some vitamin C to increase the immune system．
C.Apples can help cure certain diseases．
D.Apples can provide people with sufficient daily intake of energy．

颈动脉窦压力感受器的传入神经是( )

A．交感神经
B．迷走神经
C．窦神经
D．舌咽神经
E．降压神经

阶级作为一种社会现象首先是一个（ ）

A.经济范畴
B.政治范畴
C.文化范畴
D.交往范畴