【单选题】阅读《泊秦淮》,下列选项错误的一项是( )
A.
后庭花指《玉树后庭花》,南朝陈皇帝陈叔宝所作,后世称为“亡国之音”。
B.
这首诗将写景、抒情、叙事有机结合起来,被称为唐人七绝压卷之作。
C.
这首诗寓情于景,将诗人忧念现世之爱国情怀融入到朦胧的景色的描写中。
D.
这首诗把对历史的咏叹与对现实的思考紧密结合,从陈的灭亡联想到盛唐的现状。
【判断题】A swing check valve has characteristics of a lift check and a globe valve.
【简答题】Compnies have to coordinate their supply chain activities by _________ and using joint planning to accomplish the cost objective。
【判断题】A ball check valve has characteristics of a lift check and a globe valve.
【单选题】It’s important to have vapor seals on the warm side to ______.
A.
avoid gas when the air cools
B.
avoid mist when the air cools
C.
avoid rapor when the air cools
D.
avoid moisture when the air cools
【简答题】LONDON—Scientists have found an unusual way to pr our planet from overheating: move it to a cooler spot. All you have to do is to send a few comets (彗星) in the direction of Earth, and its orbit (...
【单选题】“人不可两次踏进同一条河流”,这句话出自()。