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If you want to choose another ________, press the key．
A．programmer
B．programmes
C．a programmer
D．the programmer
阅读理解
People worry about the fact that they often lose their keys. Now if you forget where your key is, you can find it quickly. Let's read the following. Yesterday Mr Smith lost his key in the room. " Where is my key?" he said to himself. He didn't know what to do. He thought hard and then had an idea. " Hello!" he said with a loud voice. " Hello!" a voice came from inside the drawer （抽屉）of the desk. He was surprised to hear that. He hurried to the desk and pulled the drawer open. To his delight, he took out the key from the drawer. What is all about?
So, that is a new key invented in America. There is an integrated circuit （集成电路） and a very small speaker built in it.
It can repeat its owner's voice within nine metres.
根据短文内容，选择最恰当的答案。
1. People are often worried about ______.
[ ]
A. that their keys might be stolen
B. that they might lose their keys
C. where their keys should be put
D. where their keys could be found
2. In the room, Mr Smith could find ______.
[ ]
A. his key B. his bag C. his bike D. his book
3. The new key is ______.
[ ]
A. a thing that can walk B. an integrated circuit
C. a key that can speak D. something that can listen
4. The new key can answer its owner ______.
[ ]
A. only in the room B. within nine metres
C. very far away D. when nobody is there
5. People will be ______ to have such a key.
[ ]
A. worried B. surprised C. happy D. angry
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