with people who have respiratory infections. Open your windows to let some air into your room. Do not go... for the disease, the death rate stands at about 40 percent. Although China has developed some ……

person to person.Day 4Let some air in (P6)Choose the best answer:1. Why did the author decide to turn the air conditioner off?A. To let some fresh air in.B. To get closer to nature.C. To refresh her ……

  笔盖顶端为什么要开小孔？笔盖顶端为什么要开小孔？The little holes are air holes. They can protect people. Some..., the holes can let air go in and people can still breathe (呼吸).The little holes are air holes. They can ……

their suspension and let some air out of the tires and spent a few hours cruising around the wind ……

In some places, there is no public heating system. People have to use the air conditioning (AC... you need to know.In some places, there is no public heating system. People have to use the air ……

burn a hole in one’s pocket 急于把钱花出去I’ve got some money burning a hole in my pocket. Let’s go out and have a good time.我手头有些余钱，让我们出去好好玩乐一番。out of thin air 凭空出现You just made up that excuse out of thin ……

英国抛煎饼赛跑In the UK, people are holding pancake races. Let’s take a look.The race usually falls...锅) with pancakes. They run in the streets. At the same time, they toss (翻转) pancakes into air ……

of anger as if it was aballoon(气球). When something happens and we don't like it, air isforced(加压) into the balloon. It grows bigger. Finally air has to be let out.Some people let anger build up until ……

spirit. Let's look at some of the highlights (亮点) in pictures.1. Wow! The first batch (批) of 20,000..., then rose high into the air.4. After going around the Bird's Nest stadium suspended (悬空) on a wire ……

LET'S look at some benefits of green vehicles.Environment:Vehicle emissions like CO2 and *methane..., or no fossil fuel, green vehicles can dramatically lower the level of pollutants in the air and improve ……

为什么肚子饿时会咕咕叫？When you are hungry, your stomach will let you know by making some noise. Why?In fact, your stomach is always doing contractions (收缩) to digest food. When your stomach is empty, the air ……

为什么肚子饿时会咕咕叫？When you are hungry, your stomach will let you know by making some strange noises. Why... is empty, there is no food inside, but the air you breathe (呼吸) in and the gastric juice (胃液 ……

) so we can find out where we are."George let some hot air out of the balloon, which slowly lowered...Lawyer's adviceGEORGE and Lenny were crossing North America in a hot air balloon, but neither were ……

Saying hello to each other is not only about words. People from some countries also have interesting body languages. Let’s take a look!Hugging (拥抱) helloMany US teens like hugging people they know ……

The air is blue and sweet, The few first stars are white, – Oh let me like the birds Sing before night. By By Sara Teasdale (US poet, 1884-1933) ……