Meanwhile, the deadliest strains of the virus perished with their hosts as natural selection favored strains that could infect hosts but not kill them.
同时，由于自然选择更倾向于选择那些能够感染宿主但不致其死亡的病毒，这种致命病毒便随着宿主的死亡而消失。
What's the Deadliest Natural Phenomenon?
最致命的自然现象是什么？
The deadliest was in 2004, when 41 people died.
在诸次袭击中，最惨重的发生在2004年，共有41人在事故中丧生。
It is, she read, the deadliest of all the tick-borne illnesses.
她读到，这是所有的壁虱传播的疾病中最致命的一种。
But some of the deadliest earthquakes are the ones that create fires.
但最致命的一些地震在于它们能导致火灾。
The attacks are the deadliest in Baghdad since the June 30 withdrawal of U.
这是6月30日美军从伊拉克城市撤出后巴格达发生的伤亡最惨重的袭击。
June has the dubious distinction of being the deadliest month for coalition forces.
六月很可能成为联军伤亡惨重的一个月。
About 60, 000 people were killed in one of the deadliest earthquakes to hit South Asia.
这个在南亚发生的最致命之一的地震使60000人丧生。
The U. S. Civil War began 150 years ago this week and became the deadliest conflict in U.
美国内战开始于150周年前的这个星期，成为美国历史上伤亡最惨重的冲突。
The attack, the deadliest for the CIA in 25 years, was unlike any in the agency's history.
这起CIA25年来遭受的最为严重的袭击在这个机构的历史上没有任何先例。
This sounds like a quirky Trivial Pursuit answer — what is the deadliest garment in history?
这听起来像一道智力题的离奇答案——历史上最致命的穿戴物是什么？
More than two Britons under 35 are diagnosed with the deadliest form of skin cancer every day.
每天，至少有两个35岁以下的英国人被确诊患上最致命的皮肤癌。
July was the deadliest month in terms of lightning across the U.S – with on average 18 deaths.
在美国，每年的七月份都是雷电致死情况出现的高发时间段，在这段时间内，平均将有18人因此丢掉性命。
Lung cancer may be one of the deadliest forms of cancer, but it's also one of the most preventable.
肺癌或许是最致命的癌症，但是也是最具预防性的。
We are less than eight years removed from the deadliest attack on American soil in our history.
从美国本土遭到历史上伤亡最惨重的袭击至今，已有近8年的时间。
The conceited, arrogant feeling of pride has been called the deadliest of the seven deadly SINS.
傲慢自负的骄傲感已经被称作七宗原罪中最致命的一种。
One of the deadliest habits that chip away at children's self-confidence is any form of stereotyping.
而蚕食孩子自信的最致命的习惯之一就是各种形式的老套成见。
While this might not be considered the filthiest habit by some, it should be considered the deadliest.
虽然吸烟对有些人来说不是最肮脏的习惯，但应该是最致命的。
Mosquitoes transmit the parasite, Plasmodium, that causes malaria, one the deadliest diseases on Earth.
蚊子传播疟原虫，引发疟疾，是一种致死性强的世界性疾病。
The attacks are the deadliest in Baghdad since the June 30 withdrawal of U.S. forces from Iraqi cities.
这是6月30日美军从伊拉克城市撤出后巴格达发生的伤亡最惨重的袭击。
Another person was killed in Kirkuk in what appeared to be the deadliest day in Iraq in more than a year.
周三还有一人在基尔库克被杀，这一天似乎是伊拉克一年多以来最血腥的一天。
What Happened: he was intent on discovering a cure for one of the deadliest diseases in the world, malaria.
经过：帕金斯一心一意想要找出治疗疟疾这一世上最致命的疾病的方法。
A rapid drop in oxygen and extraordinarily cold conditions would be just two of the deadliest consequences.
两个最致命的后果是氧含量的快速下降和极冷的条件。
There is no doubting its epic scale. Launched on September 8th 1941, the siege was the deadliest in history.
围攻列宁格勒的第一枪于1941年9月8日打响，其战事规模之宏大毋庸置疑，死伤之惨烈空前绝后。
Sorry ladies, guys take this one: More of the deadliest, costliest hurricanes have been tagged with male names.
对女人们而言很抱歉，男人们总能占有这点先机：大多数最具致命性的、付出代价最高的飓风都被冠以了男性之名。
Set up in 2002, it is used to appreciative coverage of its efforts to stamp out three of the deadliest diseases.
它于2002年成立，致力于铲除三大最致命的顽疾。
Even if one USES the low estimate of 6, 000 victims, this storm remains the deadliest ever to hit the U.S. coast.
即使采用最低遇难者的估计数6,000人，这场风暴依然是有史以来袭击美国海岸最致命的一次风暴。
Research suggests that it may protect against colon cancer as well as melanoma, the deadliest form of skin cancer.
研究还表明，姜黄可以预防结肠癌以及恶性最大的皮肤癌——黑色素瘤。
Research suggests that it may protect against colon cancer as well as melanoma, the deadliest form of skin cancer.
研究还表明，姜黄可以预防结肠癌以及恶性最大的皮肤癌——黑色素瘤。
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