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在大型的演讲之前，支持人通常总要对演讲者进行一番介绍，试解释这种介绍的作用。

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Which of the following gases represents the greatest threat to personnel safety in an engine room where the exhaust is leaking from a diesel engine?（）

A. Carbon dioxide
B. Carbon monoxide
Carbon trioxide
D. Hydrogen sulfide

You included the following Automatic Storage Management （ASM） initialization parameter settings in the ASM initialization parameter file： INSTANCE_TYPE = ASM ASM_POWER_LIMIT = 11 LARGE_POOL_SIZE = 4M ASM_DISKGROUPS = DG1， DG2 DB_UNIQUE_NAME = +ASM You are unable to start the ASM instance. Which initialization parameter file setting（s） is not allowing the ASM instance to start？（）

A. only the INSTANCE_TYPE initialization parameter is set to an invalid value
B. only the ASM_POWER_LIMIT initialization parameter is set to an invalid value
C. only the LARGE_POOL_SIZE initialization parameter is set to an invalid value
D. both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid value

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资政新编

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J41H-1.6C表示的阀门含义是（）。

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