2. 外语
  3. Before you start taking digital photos you’ll need to make sure that there’s some film in the camera. With a digital camera the

Before you start taking digital photos you’ll need to make sure that there’s some film in the camera. With a digital camera the

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问题    Before you start taking digital photos you’ll need to make sure that there’s some film in the camera. With a digital camera the "film" isn’t a plastic roll but some computer memory, and it can get full of pictures just the same. Most digital cameras will let you take twenty or thirty pictures before they fill up, and once they do, you have to either get rid of some photos or copy them to your computer to free up space. Or, if your camera uses special computer memory like Compact Flash or a Memory Stick, put in a new card. Don’t forget to keep the old one safe.
   You’ll also need to check the batteries. Digital cameras use power, and if you’ve got a camera  that takes normal disposable(一次性的) batteries you’ll find it eats them really fast. Better to get rechargeable ones or -- if you can afford it -- go for a camera that has its own rechargeable battery pack built in. But whatever the power source, make sure that you’ve got enough juice(电) for the party or day on the beach.
   A digital camera holds your photos as computer files, and before you can do anything with them apart from looking at them on the camera’s own little screen you generally need to copy them to your computer. Some cameras can be plugged straight into your TV so that you can have a slideshow (放映) of your pictures -- it’s called video output, and you’ll need a special cable for it. But mostly you’ll want to copy your pictures to your computer, and probably print them out.
选项 A、can’t get full of pictures
B、is a plastic roll
C、is a computer memory
D、is a picture
答案C
解析 第一段的第二句说数码相机的胶卷是计算机内存。
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