完型填空

Many teenagers think that happiness comes from a good exam result or praise(赞扬) from other people. But you can still be happy when there are no _ "good" things.

Success comes from a good attitude. If you learn problems, you will have success in the future. Some school students have problems, such as being too tall or too short. We know that happiness comes from thinking in a(n) way. If you are tall , people notice you and you can get a better view at the movie; if you are short ,your clothes and shoes take room in your bedroom! I think "You can choose to be happy!"

I think the secret of happiness is to enjoy the simple things in life. Too often, we spend so much time thinking about the future, for example, getting into college or getting a good job________ we don't enjoy the present (现在). The next secret of happiness is to be . Many people go dancing or play sports. People can _ their problems and only think about the activities

Finally, many people find happiness in helping others. According to studies, people feel good when they volunteer their time to do many meaningful things for people, if you want to feel happier, do for someone.

Now maybe you know how to find happiness! Which way will you choose to make yourselves happy? Try one , and you will get more.

1.A. such B. so C. many

2.A. for B. from C. with

3.A. efficient(有效的) B. positive C. opposite

4.A. less B. fewer C. a few

5.A. best B. first C. worse

6.A. which B. what C. that

7.A. active B. lovely C. alone

8.A. remember B. forget C. talk about

9.A. others B. other C. another

10.A. something nice B. nice something C. something bad

Nowadays film cameras are going out of our life. Do you remember how it works? And do you know the difference between a film camera and a digital camera?

A film camera is a light-proof box, which all light can’t go through. It has a lens (镜头) system to focus light onto the film at the back of the camera.

Let’s suppose that we are outside on a beautiful summer day trying to take a picture of the family dog. We are using a film camera. We finally get the dog to lie still. You point the camera at him. Light goes into the camera lens and hits the shutter (快门). In other words, nothing happens yet. Now let’s say that the dog looks really cute and you decide to take a picture. When you press the button, the shutter opens for a very short period of time. A small amount of light passes through and hits the film at the back of the camera. This creates an upside-down and reversed (反向的) picture on the film. When you finish the roll (卷) of the film, you can take it to the photo shop to develop it and you will have a great picture!

Film cameras and digital cameras work in a similar way. In digital cameras, the light falls not on film but onto a sensor (传感器) called a CCD. This change light and color into a digital information or pixels (象素). The CCD is the heart of any digital camera and usually the most expensive part - depending on how good it is.

根据短文所提供的信息选择最佳答案

1. The underlined word “light-proof” in the passage means “_____”.

A.不透明的 B.不透风的 C.不透光的

2. _____ is used to focus light onto the film at the back of the camera.

A. A lens

B. A lens system

C. A light-proof system

3. _____ shows the picture of a running boy with an ice cream in his left hand on the film camera.

4.Which of the following is TRUE according to the passage?

A. Film cameras and digital cameras work in the same way.

B. After taking pictures with film cameras, we can get a great picture immediately.

C. The price of a digital camera is based on the ccd。

5.The best title for this passage should be _____.

A. How do Film Cameras Work

B. The Reason Why Digital Cameras Are More Developed

C. Film Cameras and Digital Cameras

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