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【单选题】
为了保证电控点火系统的可靠工作,在点火器中设有( )控制电路和点火确认信号( IGf )安全保护电路。A.
闭合角
B.
点火提前角
C.
发动机爆震
D.
发动机转速
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皮皮学刷刷变学霸
举一反三
【单选题】What determines the price of a goods in a market economy?
A.
The cost of all elements of its production.
B.
The cost of not making other goods.
C.
The efficiency of the manufacturing process.
D.
The quantity of materials supplied.
【单选题】Which of the following does NOT refer to the phrase"stick with"?
A.
to be in an unpleasant situation after a lot has happened
B.
to stay close to someone
C.
to continue doing something, especially something difficult
【单选题】What determines the price of a goods in a market economy?
A.
The cost of all elements of its production.
B.
The cost of not making other goods.
C.
The efficiency of the manufacturing process.
D.
The quantity of material supplied.
【单选题】Why does the author use the phrase 'for next November' (Line 3, Para. 1)?
A.
According to the Old Testament freshwater is available only in November.
B.
Rainfall comes only in winter starting from November.
C.
Running water systems will not be ready until next November.
D.
It is a custom in that region that irrigation to crops is done only in November.
【简答题】The cost elements of producing a tangible good or intangible service are phusical quantities of ____________ , ________________ , service, and other resources.
【单选题】下列选项中，不属于闸门和启闭机一般性检查的主要内容的是（）
A.
在闸门启闭过程中，启闭机机体各部分的运转情况
B.
自振频率检测
C.
主电源和备用电源状况
D.
寒冷地区闸门防冻设施情况
【单选题】Which of the following does NOT belong to the woman writers of the 20th century?
A.
Virginia Woolf.
B.
Harriet Beecher Stowe.
C.
Alice Walker.
D.
Toni Morrison.
相关题目：
【单选题】下列选项中，不属于闸门和启闭机一般性检查的主要内容的是（）
A.
在闸门启闭过程中，启闭机机体各部分的运转情况
B.
自振频率检测
C.
主电源和备用电源状况
D.
寒冷地区闸门防冻设施情况