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【判断题】
气动阀的作用是当气动系统或者某一气动回路的气压超过安全设定值时,安全阀打开,进行排气,使气压保持在安全设定值以下A.
正确
B.
错误
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举一反三
【简答题】考察知识点【线性相关】
【单选题】听力原文： Let's turn our focus now to advertising. We all know what an advertisement is. It's essentially a message that announces something for sale. Now, there is an important precondition that must exi...
A.
The effect of advertising on world markets.
B.
Modem advertising techniques.
C.
Forms of communication in the American colonies.
D.
The early history of advertising.
【单选题】听力原文： Let's turn our locus now to advertising. We all know what an advertisement is. It's essentially a message that announces something for sale. Now, there is an important precondition that must exi...
A.
The effect of advertising on world markets.
B.
Modem advertising techniques.
C.
Forms of communication in the American colonies.
D.
The early history of advertising.
【简答题】考察知识点【线性相关】
【简答题】阅读理解 Children start out as natural scientists, eager to look into the world around them.Helping them enjoy science can be easy；there's no need for a lot of scientific terms or expensive lab equipment....
【单选题】听力原文： Let's turn our focus now to advertising. We all know what an advertisement is, it's essentially a message that announces something for sale. Now, there is an important precondition that must exi...
A.
The effect of advertising on world markets.
B.
Modem advertising techniques.
C.
Forms of communication in the American colonies.
D.
The early history of advertising.
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：W: Hi, do you feel better...
A.
He gut a high fever.
B.
He got a bad cold.
C.
He got a headache.
D.
He got a fracture.
【简答题】考察知识点【线性相关】
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