Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose. If, then, cold and wet have nothing to do with catching colds, why are they more frequent in the winter? Despite the most pains—taking research, no one has yet found the answer. ...
Scientists say Sever Acute Respiratory Syndrome (SARS) is caused by a new virus from the family of corona viruses (冠状病毒), which also causes the common cold. WHAT ARE THE SYMPTOMS? The World Health Organization says the main symptoms of SARS are high fever (over 38℃), dry cough, shor...
根据第三段中的"Not one of the v olunteers came down with a cold unless a cold virus was actually dropped in his nose."可知,没有一个志愿得了感冒,除非感冒病毒真的掉 进了他的鼻子里。 所以实验证明是病毒而不是湿冷 的空气让人感冒。 故选C。 细节理解题。 根据倒数第二段中的"One explanat...
they put on bathing suits, allowed themselves to be with cold water, and then stood about dripping wet in drafty room. Some wore wet socks all day while others exercised in the rain until close to exhaustion. Not one of the volunteers came down with a cold unless a cold virus was actual...
Which cells of the body are attacked by the AIDS virus? What are pathogens? Name the pathogen that causes the common cold. What group does the microorganism that causes the disease belongs to? ''Amoebic Dysentery '' Groups: Gram-Positive Bacteria, Gram-Negative Bacteria, Protozoa, Fungi, Vir...
and then stood about dripping wet in drafty room.Some wore wet socks all day while others exercised in the rain until close to exhaustion.Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.If,then, cold and wet have nothing to do with...
Respiratory syncytial virus (RSV) 3D illustration which shows two types of viral surface spikes. RSV causes common cold,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东
(2)C.推理判断题.根据文章第三段,Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.这些志愿者中没有一个人因为患感冒而倒下除非感冒病毒进入他的鼻子.可知,本段表明了"是病毒而非寒冷和潮湿导致了感冒"...
and hostility. Then they were each given a squirt in the nose of the virus that causes common cold. People with more positive emotional states were less likely to suffer from symptoms of the cold than people with negative emotional states and they restored to health in a short time. So the...
they put on bathing suits, allowed themselves to be with cold water, and then stood about dripping wet in drafty room. Some wore wet socks all day while others exercised in the rain until close to exhaustion. Not one of the volunteers came down with a cold unless a cold virus was actual...