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【单选题】
以下关于防火墙功能描述不正确的是（）A.
防火墙系统能够提供地址转换功能
B.
防火墙能够提供流量控制功能
C.
防火墙能够提供路由功能
D.
由于路由器具有ACL功能，因此可以用路由器的ACL功能代防火墙的过滤功能
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举一反三
【单选题】If the interest rates decline, one can expect that __________.
A.
prices of the bonds will usually be up
B.
prices of the bonds will usually be down
C.
prices of the bonds will usually remain the same
D.
prices of the bonds may be up or may be down, because the price of bond has no relation with the interest rate
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【简答题】请翻译下面段落:我很希望能参加你的毕业聚会,我知道这一定会很有意思。遗感的是,我父母已经邀请了几位亲属来我家里团聚。我想知道你是否可以在星期六晚上来我家,告诉我有关聚会的情况。
【简答题】尝试翻译下面段落:电路原理 Active electrical elements occur in tow basic forms: voltage sources and current sources. In their ideal form, voltage sources generate a constant voltage independent of the current draw...
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【简答题】看图填空。 This is the ____________. a. ____________ b. ____________ c. ____________ d. ____________