The compound word "bookstore" is the place where books are sold. This indicates that the meaning of a compound is the sum total of the meanings of its components...

第1题

[判断题] A compound is the combination of only two words.

第2题

[单选题] Self-excited a-cgenerator with "error operated" voltage control systems draw the full excitation power for the machine terminalsThis dispenses with the current transformers, reactors and capacitors necessary for accurate compounding, but renders the excitation system vulnerable to variations in its output voltageWhich of the following is correct about the generator mentioned according to the sentences above （）.

A、It consumes no excitation power  B、It has current transformers  C、Components are needed for accurate compounding  D、Its excitation system is vulnerable to voltage variations  

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第3题

[单选题] The remaining oil in the lubricating pipes and ducts should be blown out with （）.

A、atmosphere  B、the fresh water  C、compressed air  D、chemical compounds  

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第4题

[单选题] The inner part of the condenser should be cleaned with （）.

A、gas oil  B、diesel oil  C、chemical compound  D、Freon-12  

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第5题

[单选题] The inner part of the condenser should be cleaned with （）.

A、gas oil  B、diesel oil  C、chemical compound  D、Freon-12  

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第6题

[单选题] The lubricating pipes and dusts should be blown out with （）.

A、atmosphere  B、the fresh water  C、compressed air  D、chemical compounds  

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第7题

[] The fuel pipes and ducts should be blown with （）.

A、A.atmosphere  B、B.the fresh water  C、C.compressed air  D、D.chemical compounds  

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第8题

[单选题] Which of the following procedures decreases the total dissolved solids concentration in the water of an auxiliary boiler?（）

A、Hydrazine treatment of condensate  B、Frequent compounding  C、Chemical cleaning  D、Bottom blowing  

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第9题

[单选题] Which is the most serious type of fracture?（）

A、Compound  B、Greenstick  C、Closed  D、Crack  

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The compound word "bookstore" is the place where books are sold. This indicates that the meaning of a compound is the sum total of the meanings of its components.

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