皮皮学，免费搜题
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【单选题】
比色皿的干燥方法( )。A.
有机溶剂干燥法
B.
烘干法
C.
干燥剂干燥
D.
吹干
E.
晾干法
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【简答题】韶山3型4000系电力机车闭合蓄电池闸刀DCK后，控制电源电压表无显示，电子柜有工作电源、风扇转动，可能是（）坏。
【多选题】下面关于 session对象说法中正确的是( )。
A.
session对象提供Web容器和HTTP客户端之间的会话
B.
session可以用来存储访问者的一些特定信息
C.
session可以创建访问者信息容器
D.
当用户在应用程序页之间跳转时,存储在 session对象中的变量会被清除
【单选题】根据下列文章,请回答 31～35 题。 Text 3 Karen Rusa was a 30-year-old woman and the mother of four children. For the past several months Karen had been experiencing repetitive thoughts that centered around her chil...
A.
describe a woman who suffered from a psychological disease.
B.
warn the readers against any imagination.
C.
explain the reason why Karen had such fanciful thoughts.
D.
present a case for the readers to study.
【简答题】Cats’ sense of smell is very important to their health. Many cat owners have seen a cat smell the food and refuses it. Careful sniffing tells the cat if something is safe to eat. Cats have a pair of v...
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