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【判断题】
FX2-20MR可编程序控制器计数器的点数是100.A.
正确
B.
错误
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举一反三
【单选题】-- Which floor does John live on? -- He lives on the __________floor of the building.
A.
five
B.
fifth
C.
fifteen
D.
fifty
【单选题】John lives next to me. We are _________ .
A.
classmates
B.
colleagues
C.
neighbors
D.
strangers
【单选题】RAM是随机存储器的意思,随机存储器的准确含义是( )
A.
存储器的各存储单元的存取时间相等
B.
可以在任何时刻随机读/写存储器内各存储单元
C.
随机表示既可读又可写
D.
随机是易失的意思,因为随机存储器具有易失的特点
【单选题】RAM 是随机存储器的意思,随机存储器的准确含义是
A.
存储器的各存储单元的存取时间相等
B.
可以在任何时刻随机读 / 写存储器内各存储单元
C.
随机表示既可读又可写
D.
随机是易失的意思，因为随机存储器具有易失的特点
【简答题】阅读理解。 John Brown, an office worker, lives in Washington, and he inherited (继承) $1, 000, 000 when he was 23. He didn't feel happy at all. His college friends were looking for their first jobs, but he d...
【简答题】My name is Tom. My best friends are John and Ann. John lives near my house and we are in the same class. He’s tall and thin, he has blonde hair and blue eyes. He is polite and very clever. He is very ...
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【单选题】John lives next to me. We are _________ .
A.
classmates
B.
colleagues
C.
neighbors
D.
strangers
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