2019 年考研英语二考前模拟题Section Ⅰ Use of EnglishDirections:Read the following text. Choose the best word(s) for each numbered blank and mark [A],[B], [C] or [D] on the ANSWER SHEET. (10 points) Children need exercise. Parents often worry that 1 time for athletics or even for just playing on the Jungle Jim is going to take away from their kids’_2_achievement. But actually, the _3_ is true. There have been analyses of huge numbers of studies that all show that kids who are _4_are better in school, get better grades, and have higher _5_ scores than kids who lack of exercise. And that is probably because _6_ the lifespan, even into old age, there’s a strong correlation between a healthy heart and a healthy brain.The brain is the most _7_ organ that your circulatory system has to_8_. It takes up a lot of the body ’s oxygen and a lot of the body’s _9_. And unlike most of your _10_, your brain can’t live very long _11_that blood supply. You cut blood supply off for about five minutes and parts of the brain start dying. So blocked arteries and little clots that cut off blood flow to the brain in order people are a _12_source of cognitive difficulty and cognitive deterioration with age. And even in little kids, being physically fit clearly _13_ intellectual performance.The other thing parents should be thinking about is that in childhood your kid needs about 90 minutes a day of active_14_, and parents should really_15_, I think, on making sure that that ’s fun, first of all. You don’t want to _16_exercise as punishment. And you also, I think, want to have them doing something that could potentially continue into adulthood._17_much your kids like climbing trees, they’re not goi...
