Important gas flies away (P6)Important gas flies away (P6)Choose the answer:Choose the answer:1.... To show how important helium is.B. To show how important helium is.C. To compare helium with other gases ……

Bluebottle flies(绿头苍蝇) can smell meat from 7km away. That's about as far as seven bus stops. ……

on Earth!Shocked? The truth is that you can never get away from flies, Lessard says.If you...恼人的苍蝇其实用处很大。Flies are buzzing (嗡嗡叫). Most people think they are dirty and annoying. But in Bryan ……

of meters away!Skunks (臭鼬) give off smelly gas to protect themselves. Their gas smells like burning...  臭鼬有多臭？臭鼬有多臭？Skunks (臭鼬) give off smelly gas to protect themselves. Their gas ……

(伪装) to drive away biting flies.In the study, scientists from the University of Bristol in the UK put... flies settled on the horses, flies flew straight away from the zebras.“I think that the key ……

years. Jenny Graves, of Australian National University, says that an important aspect of male genetic... flies. The idea is to catch flies and "digest" them in special fuel cells. These break down the sugar ……

吃苹果可以延长寿命？YOU may know the saying: An apple a day keeps the doctor away. A recent study by the Chinese University of Hong Kong may change this saying: An apple a day keeps old age away.The study ……

. In Southwest London a swan sits in the middle of the street. Cars have to wait for one hour until it flies away. ……

their trademark stripes to keep away flies, reported The Guardian. The curiosity about zebras’ stripes... and keeping away flies. But scientists lacked direct evidence to support any one of them. In the latest ……

ENERGY is so important to our daily life we just can't stop talking about it. Here are some... happened and cannot be changedrun out of gas:If a campaign or project runs out of gas, it loses energy ……

苍蝇落在食物上究竟会做什么？Your parents may have told you that you shouldn’t eat food that flies (苍蝇) have landed on. It is true. Most of you know that flies like gross (恶心的) things, such as garbage, dirty water ……

苍蝇落在食物上究竟会做什么？Your parents may have told you that you shouldn’t eat food that flies (苍蝇) have landed on. It is true. Most of you know that flies like gross (恶心的) things, such as garbage, dirty water ……

of limited space and resources, recycling everything — even cars — is very important.Once a car reaches... metal is melted down and sold while all the useless materials are just thrown away.Usually, 75 per ……

the globe.Moreover, wasting food is like wasting a lot of money and also a great deal of important resources for our future. So when food is thrown away, we also trash money, water and oil.Food waste ……

Helium is a very useful gas, but it is also hard to keep on EarthHelium is a very useful gas... wondered what makes it possible? It’s all thanks to helium (氦) ‑ probably one of the most important ……