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【判断题】
邮件列表是在用户事先许可的前提下,通过电子邮件的方式向目标用户传递有价值信息的一种网络营销手段。 A. 对 B. 错A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】is another drill dust collection method and involves injecting water into the bailing airflow traveling down the drill stem.
A.
Wet suppression
B.
Dry drill dust collection
C.
Dry suppression
D.
Wet drill dust collection
【单选题】When hanging off drill pipe in emergency situations aboard a ship，the preferred location of the drill bit is（）.
A.
on bottom with the full drill string in tension
B.
one stand (approximately 93 feet) off bottom
C.
no deeper than the shoe of the last casing set
D.
as close to the surface as possible
【简答题】票据的伪造 变造其含义是什么?它与会计资料中的伪造变造有何区别?
【单选题】（）(除了) the fire drill, there are also boat drill and emergency drill on board.
A.
Except
B.
Although
C.
In addition to
D.
But
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