Scientists say Severe 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, sho...
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 catching colds, why are they more frequent ...
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...
根据第三段的最后一句Not one of the volunteers 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项。【小题3】细节理解题。根据倒数第二段One explanation ...
Some wore wet socks allday while others 14 in the rain unti close to exhaustion. Not one of thevolunteers came down with a cold unless a cold virus was actually droppedin his nose.If,then, cold and wet have nothing to do with catching colds, why arethey more 15 in the winter?
allowed themselves to be doused(浸入)with cold water,and then stood about dripping wet in drafty(通风的)room.Some wore wet socks all day while others exercised in the rain until close to complete tiredness.Not one of the volunteers came down with a cold unless a cold virus was actually ...
由If cold causes colds, it would be reasonable to expect the Eskimos to suffer from them forever.But they do not.可知答案。故选:D.2.细节理解题。由Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.可知答案。故选:C.3.细节理解题。由...
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 winter? Despite the most hard research, no one has yet found out the answer. One ...
Some wore wet socks all day while others exercised in the rain until close to complete tiredness. 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 ...
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 catching colds, why are they more frequent in ...