单词:reflex activity
单词:reflex activity 相关文章
THE MAKING OF A NATION - American History: Life in the 1970s and '80s STEVE EMBER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. I'm Steve Ember. This week in our series, we look back at some of the social issues and c
Health Report - Brains Gain From Physical Activity by Older People This is the VOA Special English Health Report. Increasing evidence suggests that being active can reduce a person's risk of dementia. Dementia is the name for the effects of Alzheimer
This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic
What Are Reflexes? If youve ever blinked at a sudden light, jerked your hand away from something hot, or jumped at a loud noise, then you know that these are not actions we consciously plan. Rather, they happen involuntarily. Such sudden, unconscious
Physical Activity Linked to School Achievement Pushing aside physical education to focus on academic subjects, such as math or reading, could have a negative impact on achievement, according to new reseach which finds physically-active students do be
By Phuong Tran Dakar 15 January 2007 Rebels in Chad say they have seized a second town in the remote northeast as they resume low-intensity hit and run operations against the government. Government officials deny reports that Chadian soldiers have ce
This is the VOA Special English Health Report. How active you are early in life may affect how able-minded you are late in life. That was the finding of a new study of cognitive impairment, or a loss in mental abilities. The study involved more than
The gas stings Iris, and suddenly, she can't help it, she starts weeping uncontrollably. 这种气体刺激着虹膜,来势汹汹,她无力阻止,于是她开始控制不住地大哭。 These reflex tears are different from the basal tears that
BEIJING, March 29 (Xinhua) -- Chinese President Xi Jinping on Wednesday stressed the importance of afforestation and urged people, especially the young, to understand and protect nature via tree planting activities. Chinese PresidentXi Jinpingtalks w
A new study finds regular physical activity as a teenager may prevent cognitive impairment - a decline in mental abilities - decades later. Previous studies found that people who were physically active in later life were more likely to avoid mental d
Sleep On, Sneeze Not 睡觉的时候不会打喷嚏 The signs are unmistakabl e : the eyes water, the chest heave s , the nose twitch es , the body tenses, suspense builds until finally a sneeze blasts forth, concluding the drama. It's a momentarily
A new flexible smartphone design could change the way users interact with their devices. ReFlex, developed by researchers at Queen's University, uses 'bend sensors' to control app interactions, and simulates physical forces through detailed vibration
After having spent a fast year Waiting for the next time I can get you close I grew used to being back here Like a chorus synth line soldier at his post You call and I respond The sparrow and the song I miss you when you're gone When I am alone I See
The signs are unmistakable: the eyes water, the chest heaves, the nose twitches, the body tenses, suspense builds... until finally a sneeze blasts forth, concluding the drama. It's a momentarily paralyzing experience that can seize one at almost any
Pre-Listening Vocabulary involuntary: occurs without ones control (e.g. a reflex) contagious: spreads from one person to another empathy: the understanding or acknowledgment of another persons feelings phenomenon: an observance in nature (often causi