Sittingformorethanthreehoursadaycandecreaseaperson's...
问题详情:
Sitting for more than three hours a day can decrease a person's life expectancy(寿命)by two years, even if he or she is physically active and gets rid of dangerous habits like smoking, according to a study.Watching TV for more than two hours a day can worsen that problem, decreasing life expectancy by another l.4 years.
The analysis comes just two years after Australian researchers found that people who said they watched TV for more than four hours a day were 46% more likely to die of any cause than people who said they spent less than two hours a day watching TV.Those watching TV more than four hours a day were also 80% more likely to die of cardiovascular (心血管的) disease."Sedentary (久坐的) behavior is something we need to pay attention to, beyond telling people to get 30 minutes of activity a day ,”said Peter T.Katzmaezyk. one of' the lead researchers. But while the evidence of illnesses is increasing, it remains difficult for many people to find time to get on their feet, especially if they do desk jobs.
"Try to stand as much as you can," Dr.Katzmarzyk said."Typically when you're on the telephone you can stand and use the speakerphone Instead of emailing someone in the office, just get up and So to talk to them." However, Dr.Katzmarzyk added, standing shouldn't be an alternative to exercising, but an alternative to sitting."Several studies show that when you're sitting, your leg muscles are completely inactive," he said. "When you're sitting and completely inactive, this is when you run into trouble managing blood glucose (血糖)."
29.What is the main idea of the first paragraph?
A.Watching TV too long can worsen our mental health.
B.We should he active and give up smoking.
C.Silting for too long a time can shorten one's lire.
D.Smoking too much can be harmful to health.
30.The researchers draw the conclusion on the effect of sedentary behavior by .
A.making comparisons B.istin8 figures
C.giving examples D.classifying facts
31.What dues Dr.Katzmarzyk think of sedentary behavior?
A.It warns people to exercise 30 minutes a day.
B.It's a bad behavior worth considering seriously.
C.Sedentary behavior can lead to death at once.
D.Sedentary behavior is good for desk job workers.
32.According to Dr.Katzmarzyk, if you are sitting all the time, you may _ .
A.phone your friends and talk about your problem
B.put on weight quickly and become more inactive
C.want to have more sugar for your meals
D.fincl it hard to keep your blood glucose proper
【回答】
CABD
知识点:健康保健类阅读
题型:阅读理解
-
_____________,_____________。万里悲秋常作客,百年多病独登台。杜甫《登高》
问题详情:_____________,_____________。万里悲秋常作客,百年多病独登台。杜甫《登高》【回答】无边落木萧萧下,不尽长*滚滚来。知识点:其他题型:填空题...
-
.已知各项均不为零的数列{an},定义向量.下列命题中真命题是( )A.若∀n∈N*总有cn⊥bn成立,则数...
问题详情:.已知各项均不为零的数列{an},定义向量.下列命题中真命题是()A.若∀n∈N*总有cn⊥bn成立,则数列{an}是等比数列B.若∀n∈N*总有cn∥bn成立成立,则数列{an}是等比数列C.若∀n∈N*总有cn⊥bn成立,则数列{an}是等差数列D.若∀n∈N*总有cn∥bn成立,则数列{an}是等差数列...
-
造成太平天国运动与以往农民起义具有新的不同特点的主要原因是( )A.领导阶级不同 B.所处的...
问题详情:造成太平天国运动与以往农民起义具有新的不同特点的主要原因是( )A.领导阶级不同 B.所处的时代不同C.指导思想不同 D.起义*组成不同【回答】B知识点:近代*反侵略求*的斗争太平天国运动题型:选择题...
-
近日我州某地成功处置了一辆满载三*化*(PCI3)的车辆泄漏事故.三*化*是一种重要的无机盐工业产品,无*液体...
问题详情:近日我州某地成功处置了一辆满载三*化*(PCI3)的车辆泄漏事故.三*化*是一种重要的无机盐工业产品,无*液体、密度1.574g/cm3(21℃),熔点﹣112℃,沸点75.5℃,易燃.遇水反应生成亚**(H3PO3)和*化*,与有机物接触会着火.下列对三*化*的说法错误的是()A.三*化*中*元素的化合价为+...
相关文章
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- 完形填空。It'sWednesdayafternoon.Schoolisover.Thestudentsar...
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- Thenursesaretryingtheirbesttoreducethepatient'sfear
- Peter'sjobwastoexaminecarswhentheycrossedthefrontier(边境...
- 单项选择。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- 单项选择。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- 单项选择。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- 单项选择。WheneverMaryreadsaninterestingstory,shecan'tkeepit...