由根据第一段第一句“Killer whales, or orcas, are known for their severe attacks on sea animals but they have never posed a threat to humans.”可知,以前虎鲸从未袭击人类。结合第二句“ However, since late July, the normally social animals have been intentionally attacking sailboats off the ...
We must find ways to stop pollution.Waste water must be cleaned before it is poured into the river.People shouldn‘t throw away rubbish here and there.We should pick up the garbage around us.We‘d better plant more trees.I‘m sure if we take care of our environment, our world will be...
After reading this long article, you're welcome to write a constructive comment at the bottom. Include what you think is a reasonable number of annual unarmed deathsand why. I will update this article as I get thoughtful and intelligent feedback. Listen to this article This is an 8,600-wo...
but they encounter it, and the lack of it, every day. The stories they tell us reveal what I'm convinced is a new window on animal intelligence: the kind of mental feats animals perform when dealing with captivity and the dom...
We must find ways to stop pollution.Waste water must be cleaned before it is poured into the river.People shouldn‘t throw away rubbish here and there.We should pick up the garbage around us.We‘d better plant more trees.I‘m sure if we take care of our environment, our world will ...
1. What do we learn about the new study from the news report? 2. What is the scientists’ recommendation? Questions 3 and 4 are based on the news report you have just heard. 3. A) He asked them about his lost paintings. B) He knew the owner of two missing paintings. C) He left...
Indeed, his apprehension seems to be shared by Chinese film director Zhang Yimou, whose latest work, the stage play2047 Apologue, is set in an imagined future where one of the performers dances for eight minutes with what's been described as a killer laser. ...
今天的练习来自The Guardian,叫 People v mosquitos: what to do about our biggest killer。 蚊子是对人类最有危害的杀手,每年因为蚊子死的人比因为鲨鱼死的人要多 20 万倍。但是,该怎么对付蚊子以及它传播的疾病却不是一个简单...
Cyber Security refers to the practice of reducing cyber risk through the protection of the information technology (IT) infrastructure.
designated number five by chemical naming convention (5'). the number-three carbon (3') is almost directly across from this, and this atom can bind to the phosphate group of another nucleotide. Meanwhile, the nitrogenous base of the nucleotide is attached to the 2' carbon in the deoxyribose...