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【判断题】
某企业发生安全生产事故，立即启动相关应急预案，组织做好先期处置工作(在确保安全的前提下组织抢救遇险人员，控制危险源，封锁危险场所。杜绝盲目施救，防止事态扩大。(2)立即下达停产撤人命令，组织现场人员及时、有序撤离到安全地点，减少人员伤亡。(3)依法及时、如实向当地政府和部门，以及负有安全生产监督管理职责的有关部门报告事故情况，不得瞒报、谎报、迟报、漏报，不得故意破坏事故现场、毁灭证据。)。做好新闻报道公关，防止事态影响扩大行为是错误的。()A.
正确
B.
错误
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【简答题】口算． 7×30= 63÷3= 56-39= 14×4= 560÷8= 500×9= 400÷8= 13+37=
【单选题】The navigation systems in cars like Lexus, BMW and Audi are mentioned to show ______.
A.
the immaturity of the new technology
B.
the superiority of the global positioning system
C.
the cause of price fluctuations in car equipment
D.
the different ways of providing guidance to the driver
【简答题】什么是雪崩倍增效应？
【单选题】Cars are mentioned in Paragraph 2 to show ________.
A.
the Internet can provide maps to guide drivers in traffic jams
B.
people can solve air pollution and traffic jams by using the Internet
C.
the Internet, like cars, brings convenience and causes problems at the same time
D.
the negative effects they cause
【单选题】All of the following are mentioned in Paragraph 2 as contributing to how cars cause air pollution EXCEPT that______.
A.
the brakes on cars give off asbestos bad for health
B.
car combustion emits poisonous chemicals
C.
catalytic converters also produces poisonous chemicals
D.
tires give off small rubber particles harmful to health
【简答题】直接写出得数 3.05×1000= 125×8= 84+0÷16= 156-28-72= 9.1÷10= 56+= 900÷25÷4= 37+63×0=
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