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【单选题】
生产经营单位对( )应当登记建档，定期检测、评估、监控，并制订应急预案，告知从业人员和相关人员应当采取的紧急措施。A.
事故频发场所
B.
重大事故隐患
C.
重大危险源
D.
危险化学品仓库
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】—I ’ m sorry I didn ’ t finish my paper on time. — ______ . I know you ’ re suffering a bad cold these days.
A.
It ’ s beyond me
B.
That all depends
C.
That’s right
D.
That ’ s all right
【简答题】氢细菌的营养类型是( ),大肠杆菌的营养类型是( ),螺旋藻的营养类型是( ),红螺菌的营养类型是( )。
【简答题】Fill in the blanks after you finish to the song; 1; When you _______, you begin with ABC and you begin with Do Re Mi when you _______. 2; Doe is a ________________________. 3; Ray is a _______________...
【判断题】为了控制每个ONU发送上行数据的时刻,从而确保各个ONU发送数据时,不会在分光器上产生冲突,OLT只需要在各个ONU启动注册时,精确测定各个ONU与OLT之间的距离,后续无须多次进行测距。( )
A.
正确
B.
错误
【简答题】It’ s advisable to make travel preparations early if you want to have a nice time during your trip in a foreign country. First, you should apply for a passport and visa. It is easier for you to finish...
【单选题】We may be able to _______ you in some way if you can not finish your work on time.
A.
resist
B.
insist
C.
assist
D.
disease
【单选题】Remember ________ the book to the library when you finish _______ it. [ ]
A.
to return; to read
B.
returning; reading
C.
to return; reading
D.
returning; to read
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