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【单选题】
目前最安全的防火墙是 ( )。A.
由路由器实现的包过滤防火墙
B.
由代理服务器实现的应用型防火墙
C.
主机屏蔽防火墙
D.
子网屏蔽防火墙
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反馈参考答案：
举一反三
【多选题】面关于存取控制符号的描述，符合编程规范的有（）。
A.
只是该类内部调用的函数使用private属性
B.
继承类可以使用的使用protected属性
C.
对外公开的函数使用public属性
D.
类的成员变量的尽量采用protected修饰，其他类可以通过类的成员方法来访问和修改变量
【单选题】Why does Paul tell Frankie to put the ice cream back?
A.
He doesn't like the Chocolate Crunch.
B.
He already got some ice cream.
C.
He doesn't want to eat too many sweets.
【简答题】Why does James Paul think it would be a mistake to believe that all NGOs are neutral?
【简答题】广告诉求的重点应放在宣传产品的 、价格和 等方面
【单选题】Why does Paul Saffo mention mushroom-hunting and bird-watching?
A.
To show people's variety of interests.
B.
To explain the danger of text messaging while walking.
C.
To develop his idea about text messaging while walking.
D.
To warn people of the danger while walking.
【单选题】Why does Mr. Dombey want his son to be named Paul?
A.
It is the name of Mrs. Dombey's father.
B.
It is his own name, and the name of his father before him.
C.
It is the name of his favorite saint.
D.
It is the name of his brother who died in childhood.
【简答题】Why does Paul Sanderson have to do two people's work?
【单选题】听力原文：What does the woman mean by saying“Paul does have a very sweet tooth”? (24)
A.
Paul is keen on sweet food.
B.
Paul's teeth are not healthy.
C.
Paul eats too much sweet food.
D.
Paul is crazy about sweets.
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