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【判断题】
机油细滤器和主油道应串联在一起。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】关于Intemet域名系统的描述中，错误的是（ ）。
A.
域名解析需要一组既独立又协作的域名服务器
B.
域名服务器逻辑上构成一定的层次结构
C.
域名解析总是从根域名服务器开始
D.
递归解析是域名解析的一种方式
【简答题】John Smith was an old porter. He worked at the station. Every day he was busy carrying heavy things for the people. He was careful with his work. He was kind to everyone. He was always ready to help o...
【简答题】The train has just left is for Wuhan.
【单选题】听力原文：M: I'm sorry, Madam. The train is somewhat behind the schedule. Could you please take a seat and I'll tell you as soon as we know something definite. W: Thank you. I'11 just sit here and read the...
A.
It's on time.
B.
It's crowded.
C.
It's empty.
D.
It's late.
【简答题】读下图，请在赤道上用箭头画出地球自转方向。
【单选题】关于Internet域名系统的描述中，错误的是( )。
A.
域名解析需要一组既独立又协作的域名服务器
B.
域名服务器逻辑上构成一定的层次结构
C.
域名解析总是从根域名服务器开始
D.
递归解析是域名解析的一种方式
【简答题】阅读教材相关内容，学会设计并制作一个生态瓶。
【单选题】听力原文：M: I'm sorry, Madam. The train is somewhat behind schedule. Take a seat, and I'll notify you as soon as we know something definite. W: Thank you. I'll just sit here and read a magazine in the mea...
A.
The train is crowded.
B.
The train is empty.
C.
The train is late.
D.
The train is leaving.
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