2021考研英语一真题及答案解析.pdfVIP

2021考研英语一真题及答案解析--第1页 2021考研英语一真题及答案解析 Section I Use of English Directions: 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) Fluid intelligence is the type of intelligence that has to do with short-term memory and the ability to think quickly, logically, and abstractly in order to solve new problems. It _____(1)in young adulthood, levels out for a period of time, and then_____(2)starts to slowly decline as we age. But_____(3)aging is inevitable, scientists are finding that certain changes in brain function may not be. Onestudyfoundthatmuscle lossandthe_____(4)ofbodyfat around the abdomen are associated with a decline in fluid intelligence.This suggeststhe_____(5)thatlifestylefactors might help prevent or_____(6)this type of decline. Theresearcherslookedatdatathat_____(7)measurementsof lean muscle and abdominal fat from more than 4,000 middle-to-older-aged men and women and_____(8)that data to 2021考研英语一真题及答案解析--第1页 2021考研英语一真题及答案解析--第2页 reported changes influid intelligenceovera six-yearperiod. They found that middle-aged people_____(9)higher measures of abdominal fat_____(10)worseonmeasures of fluid intelligence as the years_____(11). For women, the association may be_____(12)to changes in immunity that resulted from excess abdominal fat; inmen, the immune system did not appear to be_____(13)It is hoped that future studies could_____(14)these differences and perhaps lead to different_____(15)for men and women. _____(16)there are steps you can_____(17)to help reduce abdominalfatandmaintain leanmusclemass asyouage inorder to protect both your physical and mental ____