A.twice as many as | B.twice as much as |
C.twice as more as | D.twice much as |
A. motive B. deliberately C. convinced D. injurious E. alerts F. desperately G. swept H. accounts I. unconscious J. preserving K. charging |
Why Humpback Whales (座头鲸) Protect Other Species from Killer Whales
Robert Pitman, a marine ecologist, describes an encounter he witnessed in Antarctica in 2009. A group of killer whales were attacking a Weddell seal. The seal swam
Pitman started asking other researchers and whale watchers to send him similar
In a 2016 article in Marine Mammal Science, a famous scientific journal, Pitman and his co-authors describe this behaviour and confirm that such acts of do-gooding are widespread. But knowing that something is happening and understanding why it’s happening are two different things. Pitman and his co-authors openly reflected on the meaning of these encounters. “Why,” they wrote, “would humpbacks
Interestingly, humpbacks don’t just hit on killer-whale attacks. They race toward them like firefighters into burning buildings. And like those rescue workers, humpbacks don’t know who is in danger until they get there. That’s because the sound that
I wonder what humpback whales care deeply enough about to actively swim into battle with killer whales. When I ask Pitman, he tells me that, it still comes down to selfishly
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Former World’s Fattest Man Finds Love
He was once the world’s fattest man weighing in at an incredible 980 pounds and consuming 20,000 calories (卡路里) a day. But it seems that after losing 672 pounds following a surgery, it’s not just Paul Mason’s health that has a more promising
Mr. Mason has only known his new girlfriend Rebecca for a month and the pair are yet to meet, but already the 52-year old has
Mr. Mason said: “She didn’t really think of anything
Mr. Mason says that he doesn’t go for looks and finds Rebecca’s
Mr. Mason
Firefighters had to knock down the front wall of his