自考笔果题库
笔果题库
历年真题
  • 上海市
  • 四川省
  • 广东省
  • 湖南省
  • 湖北省
  • 江苏省
  • 浙江省
  • 安徽省
  • 福建省
  • 江西省
  • 山东省
  • 河南省
  • 甘肃省
  • 澳门特别行政区
  • 青海省
  • 内蒙古自治区
  • 广西壮族自治区
  • 新疆维吾尔自治区
  • 西藏自治区
  • 宁夏回族自治区
  • 中国台湾省
  • 香港特别行政区
  • 北京市
  • 陕西省
  • 云南省
  • 贵州省
  • 海南省
  • 黑龙江省
  • 吉林省
  • 辽宁省
  • 山西省
  • 河北省
  • 重庆市
  • 天津市
押密题库
本科
专科
视频题库
考证通关
笔果题库返回
英语
历年真题
As children move towards adulthood(成年),they become taller, stronger, and more independent. At some point in adulthood,21_______, a slow decline begins. Their hair often 22_______ gray, their skin wrinkles, and their muscles begin to 23_______ Their short-term memory may suffer, and they often 24_______ part of their vision or hearing.
Scientists are not 25_______ sure what causes the effects of aging. The body might have a time 26_______ which would determine how long the cells can remain 27_______ Depending on the type of animal and its environment, animals age at different rates and live 28_______ different lengths of time. An animal in a good zoo—well 29_______ and protected from predators(捕食者)一often lives longer than the same type in the wild. 30_______, people who live in rich countries generally live longer than 31_______ in poor countries.
Several other factors also 32_______ how long people live and the quality of their lives. One factor is genetics (遗传).In some families, it seems that many 33_______ have long lives. Genetics may also determine whether people 34_______ certain diseases. Another factor is lifestyle. People who keep their minds 35_______ and often communicate with friends will feel younger and may live longer. People who keep a normal weight, exercise, and do not smoke may also age more slowly.
26.
A  
label
B  
lack
C  
link
D  
limit
深圳市笔果教育科技有限公司
粤ICP备17094429号-1
自考笔果题库APP
更优刷题体验,尽在笔果APP!
立即下载