2. 职称英语
  3. A common complaint for people each year is catching a cold. Many uncomfortab

A common complaint for people each year is catching a cold. Many uncomfortab

游客2023-10-12  91
问题     A common complaint for people each year is catching a cold. Many uncomfortable symptoms accompany a cold. Each year, cold sufferers spend millions to【71】______this recurring problem. Any of two hundred different【72】______could cause a cold. Even though our bodies may become【73】______to a certain cold virus this winter, by next winter our antibodies will probably not recognize it. However, rhinoviruses account for 40% of the colds we catch. Treating that family of viruses would drastically decrease the number of colds we catch each year. Some scientists are now suggesting【74】______the body’s immune responses rather than the virus itself. One researcher suggests that to find a cure for colds we must weaken our immune system’s【75】______. [br]
选项
答案 viruses
解析 参见第二段第二行。viruses病毒。
转载请注明原文地址:http://tihaiku.com/zcyy/3092240.html
相关试题推荐
随机试题
最新回复(0)