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【单选题】
Session与Cookie状态之间的最大区别()A.
容量不同
B.
类型不同
C.
生命周期不同
D.
存储的位置不同
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皮皮学刷刷变学霸
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【单选题】As five children under 10 got drowned in a southern province, it is not socially _____ for paren
A.
27. As five children under 10 got drowned in a southern province, it is not socially _____ for parents to leave children unattended at that age. A．acceptable
B.
affordable
C.
sustainable
D.
believable
【单选题】According to Thibaut, it is possible ______
A.
for children to take advantage of their parents by using a foreign language
B.
to expose children to a foreign language after they can speak English
C.
to combine language lessons with sports games
D.
for children to learn several languages at the same time
【简答题】China is considering it a legal duty for Chinese citizens to visit their aged parents as the country struggles with the challenges created by a graying population. It is generally accepted that...
【单选题】下列关于混凝的描述中正确的是( )。
A.
当pH较低时，铁盐混凝剂水解产生氢氧化铁胶体，与带正电荷的胶体颗粒起电中和作用
B.
同性高分子兼有电中和和吸附架桥作用
C.
使用硫酸铝来去除浊度时，最佳的pH值在6.5～7.5之间
D.
杂质颗粒尺寸越单一越小，越有利于混凝
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