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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 (鏡頭) 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 (快門). 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 (傳感器) 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.
根據短文所提供的信息選擇最佳答案
1. The underlined word “light-proof” in the passage means “_____”.
A.不透明的 B.不透風的 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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科目：初中英語 來源：2015-2016學年重慶沙坪壩區六校七年級上學期半期聯考英語試卷（解析版） 題型：閱讀理解
Name | Age（年齡） | Telephone number | Thing（物品）/ Color |
Linda Smith | 9 | 3562-6158 | Jacket / Purple |
Frank Miller | 10 | 7229-7681 | Key / Yellow |
Tom Brown | 6 | 9517-8072 | Pen / Black |
1.What's the girl's last name? ______ .
A. Smith B. Miller C. Brown D. Linda
2.What's Frank's telephone number? ______ .
A. 3562-6158 B. 7229-7681
C. 9517-8072 D. 7229-7618
3.What color is the pen? ______ .
A. Purple B. Yellow C. Blue D. Black
4.Who has（有）a key? ______ .
A. Linda B. Frank C. Tom D. Mike
5.Tom's age is ______ .
A. 9 B. 10 C. 7 D. 6
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Li Hua’s shoes are as as Zhang Hui’s.
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書面表達。
假如你是Lily，請根據表格中的內容，寫一篇短文介紹你的家庭情況，要求語句通順，字數50詞左右，可適當發揮。提示詞：have有
全名：Lily Green 年齡（Age）：9
家庭成員：父母(Tom, Mary). 爺爺、奶奶. (Bob, Jenny)
兩個姐姐(Kate, Cindy)、一個弟弟(Bill)
父親的電話號碼：18970234765
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— We’re going to have a basketball match with Class1.
— !
A. Thank you B. Let me see
C. Wish you good luck D. Glad to meet you
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用動詞的正確形式填空，詞數不限。
1.My parents love sports very much. They (run) on the road every morning.
2.What about (play) football after school?
3.Jack (not want) to make friends with Tom.
4.It’s time (have) breakfast.
5.My school day (start) at 7:20 a.m.
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The rose is a _______ of love.
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--- More than 1.3 billion people live in China now.
--- Wow, That’s almost ________ of the world ‘s population.
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