When we walk our dog after school, we use energy(能源). When we do our homework, we also use energy. When we listen to music on the radio, we are using energy again.

Energy has many different forms. We use electrical energy when we watch TV. The food we eat has chemical energy. Our bodies also use a kind of energy called motion to move. It is said that a person usually uses energy as much as 9.3 liters of oil every day.

Energy is everywhere, but it’s not freely available. So what can we do to save energy? Let’s start from home. Here’s some advice.

— Turn off the lights, computers, TV and other electrical things when you aren’t using them.

— Take a short shower instead of a long one.

— Lower the temperature setting on your water heater to save energy.

— Don’t open the microwave door too often to check on your food. Every time you open it, you waste some heat energy.

— Don’t open the door of your refrigerator very often. A refrigerator needs a lot of electricity to get cold again after you open it.

1.How many forms of energy are mentioned in the second paragraph?

A. 2 B. 3 C. 4 D. 5

2.In order to save energy at home, _________

A. we had better take a short shower.

B. we shouldn’t open the doors too often.

C. we shouldn’t use electrical things during the daytime.

D. lights, computers, TV and other electrical things should be turned off all the time.

3.Readers who like reading this article may also be interested in the information about ________.

A. Top 10 Movies of April

B. Top 10 Richest People of 2019

C. Top 10 New Energy Cars of 2019

D. Top 10 Greatest Scientists of 21 century.

阅读下面短文,从短文后所给的五个选项中选出能填入短文空白处的最佳选项,使短文通顺、连贯、意思完整。

There are some skills for students to listen to the teacher in class, which means you're going to have to practice it. Just as you would have to practice basketball to be a better player, you also have to practice listening. How to listen in school? 1.

One of the things you need to do is to make sure that your mind doesn't wander (漫游). It's easy to start thinking about other things, especially when you' re not interested in the subject. 2.

Next, listen for the main ideas. If you want to catch every little piece of information, you'll feel tired and bored.

3.Not only does this show respect(尊敬) to the teacher, it also helps prevent your mind from wandering. 4.Or it could just be someone talking to their neighbors who shouldn't be. It can even be some birds outside the classroom window, or a group of kids who are talking loudly as they pass the door to your room.

Finally, you need to take notes because you will not remember everything the teacher said. You'll have to take down the notes so that you can study it after class. 5.

Listening isn't always easy, but if you follow these simple steps, you’ll be much more successful in your classes.

A. Here are some suggestions.

B. You'll also need to look at the teacher.

C. So make yourself pay attention to what the teacher is saying.

D. Taking notes also makes you pay attention to the class.

E. It might be a friend who is trying to pass you a note.

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