People living in closed,isolated communities.Try to explain
People living in closed,isolated communities.Try to explain this phenomenon
such as Arctic explorers,often get a cold or two at first and then have several months free from colds.However,when the supply ship arrives the colds start again.
(explain this phenomenon,not translate the sentence)
such as Arctic explorers,often get a cold or two at first and then have several months free from colds.However,when the supply ship arrives the colds start again.
(explain this phenomenon,not translate the sentence)
赞 共回答了13个问题采纳率：100% 举报
居住在这个封闭的,与世隔绝的地区的人们,试图去解释这个现象:
比如北极圈的探险这,最开始会遭遇一两个月的寒冷天气,接下来的几个月又恢复温暖,然后,当运送供给的船只到达时,寒冷的天气又开始了
比如北极圈的探险这,最开始会遭遇一两个月的寒冷天气,接下来的几个月又恢复温暖,然后,当运送供给的船只到达时,寒冷的天气又开始了
1年前
1
kaixin121212 幼苗
共回答了4个问题 举报
因为每一个人的每一次感冒都是由不同的感冒病毒引起的，而寒冷的地区部适合感冒病毒的生存，在没有外界引入的条件下，人们不会重复地患感冒，而伴随补给船的到来，新的感冒病毒也随之而来
1年前
2
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