为什么微波炉加热这么快？Microwave ovens (烤箱) don’t use regular (普通的) heat. They use microwaves. These waves of energy (能量) heat water. Most food has water in it. The microwave cooks the water inside food ……

为什么微波炉热食物这么快？Microwave ovens (微波炉) don’t use regular (普通的) heat. They use microwaves. These waves of energy (能量) heat water. Most food has water in it. The microwave cooks the water inside food ……

and the microwave oven (微波炉)? They make our lives better. Do you know they *came from accidents... (胶布). Now, Band-Aids are a part of our daily lives.Microwave ovenNowadays, microwave ovens ……

为什么微波炉加热食物很快？Microwave ovens don’t use regular heat (普通的加热方式). They use waves of energy (能量波). Most food has water in it. The microwave heats the water inside food. ……

. There are only 2 microwave ovens in our school, but about 120 students use them and our time for dinner is only 30 minutes. So when the bell rings, a “fight” for microwave ovens begins. Students ……

will have food prepared on Earth and reheated in microwave ovens. Iced tea, mineral water and fruit juices... first space hotel, due to open in 2016. So what will life be like 349km above the Earth?The four ……

in the microwave oven (微波炉). But do you know how your grandparents made breakfast in their days? To remind people... cellars (地窖), so that they could freeze food. But progress took time. It wasn’t until the 19th ……

的) food. But now the space station has water,microwave ovens(微波炉) and fridges. So astronauts can eat more... some time to get used to it. How do they live, work and play up there?EatingSpace food keeps getting ……

以省略to，动词不定式可以作句子的主语、宾语、定语、状语等。Exercises:1. – Why are you so excited? – Peter invited me _______ on a trip... with a cup or glass. How is this so? The answer is: great inventions for food. What are the most ……

in a microwave oven (微波炉). This is all made possible by modern food inventions. If not for them, we would... was our most important tool. It brought food from the field to the plate.Baking 烘焙Do you know how to make ……

not understand how they worked, like transistor radios and microwave ovens. Dixon's essay ended on an... on understanding it. That's why so many people tried to invent new technologies at that time. Machines may have ……

, lots of lava (岩浆), ash, gases and rocks come out of it. The rocks can be as big as microwave ovens... is “Please don’t try!”Why can’t we try this? The eruption creates a lot of gases. One gas smells ……

promotion.Jim thought it was unfair, so he asked his boss why he didn’t appreciate the hard-working... it was unfair, so he asked his boss why he didn’t appreciate the hard-working staff. The boss ……

-Aid.Microwave ovenNowadays, microwave ovens are popular around the world. But at the beginning...意外发明加速生活的步伐LOOK at the common things around you: Post-it notes (便利贴), jeans, a microwave oven ……

class to do?A. To work in pairs to finish homework.B. To make a boat for a race.C. To get to school... that kids learn how to ______ (look after, look for, look up) their bodies. That's ________ (who, why ……