Carnivorous mammals can endure what would otherwise be lethal levels of body heat because they have a heat-exchange network which kept the brain from getting too hot.
having dong 被逗号隔开后可以作定语修饰名词,无逗号不行; 需要清晰的看清两句的因果关系, 通过having amassed ,导致了Neuroscientists are now drawing。Having done发生在主句动作之前 ;如果产生了时间断层,绝对不可能伴随动作--------Elroy
某笔记 ;
.having done和having been done做后置定语,必错!having done做后置定语,一般都要改成相应的定语从句
I go to the airport having been told I had to purchase a whole new flight “no matter what.”
由于having 的这一特性使得它在句尾没有逗号的情况下都可以作状语--我想说它甚至只能作状语。
说完句尾我们再来说句首;
The President having been notified of the intention, arrived from San Francisco last evening, met them in company with Superintendent Steinberger.(正确句子)
The man having washed his hands went to the kitchen to eat lunch .(错误句子)
instructor; this sentence, in addition to the completeness expressed,there is also at least a hint of cause /effect.
It is possble that because the man had washed his hands ,he went to the kitchen to eat lunch .Thaat is to say , without washing his hands,he couldn't /wouldn't have lunch.
.Fossils of the arm of a sloth, found in Puerto Rico in 1991, have been dated at 34 million years old, making the sloth the earliest known mammal on the Greater Antilles Islands.
94.The recent surge in the number of airplane flights has clogged the nation's air-traffic control system, leading to a 55 percent increase in delays at airports and prompting fear among some officials that safety is being compromised.