单项选择题
物理图是指 A. 描述一条染色体上连锁基因或遗传标记间相对位置和遗传距离的图 B. 描述DNA分子上两位点之间或染色体上两界标实际距离的图 C. 用物理方法对人类染色体进行作图 D. 描述染色体某一区域内所有可转录序列的分布图
物理图是指 A. 描述一条染色体上连锁基因或遗传标记间相对位置和遗传距离的图 B. 描述DNA分子上两位点之间或染色体上两界标实际距离的图 C. 用物理方法对人类染色体进行作图 D. 描述染色体某一区域内所有可转录序列的分布图
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单项选择题
The governments, environmental protection departments and enterprises of China have legal responsibilities and obligations for the emergency management of environmental emergencies. The legal responsibilities of the governments do not include ( )
The governments, environmental protection departments and enterprises of China have legal responsibilities and obligations for the emergency management of environmental emergencies. The legal responsibilities of the governments do not include ( )
A．Timely report to relevant companies involved in environmental emergencies
B．Carry out monitoring and early warning, and take effective emergency response measures when environmental emergencies occur
C．Post-evaluation and reconstruction
D．Develop emergency plan, establish emergency training and carry out emergency drill