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名词解释题
PCR（polymeraAse chAin reaction）
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对于极微量的靶序列的扩增可以采用的PCR技术是A、通用引物-PCR方法(general primer-media-ted PCR，GP-PCR)B、多重PCR(multiplex PCR)C、套式PCR(nested primers-polymerase chain reaction，NP-PCR)D、AP-PCR方法(arbitrarily primed PCR)E、原位PCR技术(in situ PCR，ISPCR)
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对于极微量的靶序列的扩增可以采用的PCR技术是A、通用引物－PCR方法(general primermediated PCR，CJP－PCR)B、多重PCR(multiplex PCR)C、套式PCR(nestcd primers－polymerasc chain reaction，NP－PCR)D、AP－PCR方法(arbitrarily primcd PCR)E、原位PCR技术(in situ PCR，ISPCR)
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The three basic components of a fire are chain reaction, heat, fuel, and ____.A.carbon monoxideB.oxygenC.carbon dioxideD.any gaseous substance
考题
A chain stripper is used to ______.A.prevent chain from clinging to the wildcatB.clean the marine debris from the chainC.flake chain from a boat's chain lockerD.clean chain prior to an x-ray inspection
考题
What are the two main types of stud link chain ________．A.Oil Rig chain and Oil Field Stud Link chainB.Flash-butt welded chain and Di-Lok chainC.Flash-butt welded chain and Oil Rig chainD.Oil Field Stud Link chain and Flash-butt welded chain
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A fire of escaping liquefied flammable gas is best extinguished by ______.A.cooling the gas below the ignition pointB.cutting off the supply of oxygenC.stopping the flow of gasD.interrupting the chain reaction
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Except in rare cases, it is impossible to extinguish a shipboard fire by ______.A.removing the heatB.removing the oxygenC.removing the fuelD.interrupting the chain reaction
考题
The energy（ ）by the chain reaction is transformed into heat.A.conveyed
B.released
C.transferred
D.delivered
考题
In anchor orders, “Up and down” means “（）”.A、The chain is not uprightB、The chain is uprightC、The chain is slackD、The chain is not slack
考题
对于极微量的靶序列的扩增可以采用的PCR技术是（）A、通用引物－PCR方法（general primermediated PCR，CJP－PCR）B、多重PCR（multiplexPCR）C、套式PCR（nestcdprimers－polymerasc chain reaction，NP－PCR）D、AP－PCR方法（arbitrarily primcdPCR）E、原位PCR技术（in situPCR，ISPCR）
考题
分散控制系统中“ 4C”，技术是指控制技术（CONTROL）、计算技术（COMPUTER）、通信技术（COM-MUNICATI0N）和（）。A、图像显示技术（CRT）B、端口技术（COM）C、通信协议（COMMUNICATION DELIBERATION）D、连锁反应（CHAIN REACTION）
考题
Which two statements are true about a job chain？（）A、 A job chain can contain a nested chain of jobsB、 The jobs in a job chain cannot have more than one dependencyC、 A job of the CHAIN type can be run using event-based or time-based schedulesD、 The jobs in a job chain can be executed only by using the events generated by the Scheduler
考题
单选题In anchoring orders, up and down means（）.A
the chain is not uprightB
the chain is tightC
the chain is uprightD
the chain is slack
考题
单选题A fire of escaping liquefied flammable gas is best extinguished by（）.A
cooling the gas below the ignition pointB
cutting off the supply of oxygenC
stopping the flow of gasD
interrupting the chain reaction
考题
单选题What are the two main types of stud link chain（）.A
Oil Rig chain and Oil Field Stud Link chainB
Flash-butt welded chain and Di-Lok chainC
Flash-butt welded chain and Oil Rig chainD
Oil Field Stud Link chain and Flash-butt welded chain
考题
单选题对于极微量的靶序列的扩增可以采用的PCR技术是（）A
通用引物－PCR方法（general primermediated PCR，CJP－PCR）B
多重PCR（multiplexPCR）C
套式PCR（nestcdprimers－polymerasc chain reaction，NP－PCR）D
AP－PCR方法（arbitrarily primcdPCR）E
原位PCR技术（in situPCR，ISPCR）
考题
单选题对于极微量的靶序列的扩增可以采用的PCR技术是（）。A
通用引物-PCR方法（general primermediated PCR，CJP-PCR）B
多重PCR（multiplex PCR）C
套式PCR（nestcd primers-polymerasc chain reaction，NP-PCR）D
AP-PCR方法（arbitrarily primcdPCR）E
原位PCR技术（in situ PCR，ISPCR）
考题
单选题A chain stripper is used to（）.A
prevent chain from clinging to the wildcatB
clean the marine debris from the chainC
flake chain from a boat's chain lockerD
clean chain prior to an x-ray inspection
考题
多选题Which two statements are true about a job chain？（）AA job chain can contain a nested chain of jobsBThe jobs in a job chain cannot have more than one dependencyCA job of the CHAIN type can be run using event-based or time-based schedulesDThe jobs in a job chain can be executed only by using the events generated by the Scheduler
考题
单选题Except in rare cases，it is impossible to extinguish a shipboard fire by（）.A
removing the heatB
removing the oxygenC
removing the fuelD
interrupting the chain reaction
考题
单选题What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?（）A
One shot of chain for every ten feet of waterB
One shot of chain for every fifteen feet of waterC
One shot of chain for every thirty feet of waterD
One shot of chain for every ninety feet of water
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