Sittingformorethanthreehoursadaycandecreaseaperson's...
問題詳情:
Sitting for more than three hours a day can decrease a person's life expectancy(壽命)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
知識點:健康保健類閱讀
題型:閱讀理解
-
一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作...
問題詳情:一個質量為4kg的物體靜止在足夠大的光滑水平地面上.從t=0開始,物體受到一個大小和方向週期*變化的水平力F作用,力F的變化規律如圖所示.則( )A.t=2s時物體沿負方向運動的位移最大B.t=4s時物體運動的位移達最小值C.每個週期內物體的速度變化為一定值D.從t=0開...
-
如圖,形狀相同、大小相等的兩個小木塊放在一起,其俯檢視如圖所示,則其主檢視是( ).
問題詳情:如圖,形狀相同、大小相等的兩個小木塊放在一起,其俯檢視如圖所示,則其主檢視是( ).【回答】D知識點:三檢視題型:選擇題...
-
用若干個體積為1的正方體搭成一個幾何體,其正檢視、側檢視都是如圖所示的圖形,則這個幾何體的最大體積與最小體積的...
問題詳情:用若干個體積為1的正方體搭成一個幾何體,其正檢視、側檢視都是如圖所示的圖形,則這個幾何體的最大體積與最小體積的差是()A.2B.3C.4D.5【回答】解析:由正檢視、側檢視可知,此幾何體的體積最小時,底層有5個小正方體,上面有2個小正方體,共7個小正方體;體積最大時,底...
-
閱讀下面唐詩,完成①―③題。(10分)書邊事。張喬調角斷清秋,徵人倚戍樓。春風對青冢,白日落梁州②。大漠無兵阻...
問題詳情:閱讀下面唐詩,完成①―③題。(10分)書邊事。張喬調角斷清秋,徵人倚戍樓。春風對青冢,白日落梁州②。大漠無兵阻,窮邊有客遊。蕃情似此水,長願向南流。註釋①:唐朝自肅宗以後,河西、隴右一帶長期為吐蕃所佔。此後,因民眾起義及吐蕃將領降唐,其地又全歸唐朝所有。本...
相關文章
- Peter'sjobwastoexaminecarswhentheycrossedthefrontier(邊境...
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- 單項選擇。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- Thenursesaretryingtheirbesttoreducethepatient'sfear
- 單項選擇。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- Sittingformorethanthreehoursadaycandecreaseaperson's...
- 單項選擇。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- 單項選擇。WheneverMaryreadsaninterestingstory,shecan'tkeepit...
- 完形填空。It'sWednesdayafternoon.Schoolisover.Thestudentsar...