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【单选题】
关于两台连接到交换机端口的终端。以下那一项描述正确的。A.
必须启动交换机的功能后，两台终端之间才能相互通信
B.
连接终端的交换机端口自动启动阻止终端接入的安全功能
C.
必须将连接两台终端的端口分配给相同的 VLAN 后，两台终端之间才能相互通信
D.
默认状态下，两台终端属于同一个广播域
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反馈参考答案：
举一反三
【单选题】装配时对某两个面使用对齐约束或匹配约束的区别是( )
A.
对齐使两个面指向一致，匹配使两个面指向相反
B.
匹配可设置偏矩，而对齐不能
C.
对齐可设置定向而匹配不能
D.
以上都是对的
【单选题】There's a saying, “Life is 10% ________ happens to us and 90% ________ we choose to react to it.”
A.
who; why
B.
that; that
C.
which; when
D.
what; how
【简答题】Depression (抑郁症) is a serious problem today.Depression causes workers to be unproductive，causing companies and countries to lose billions of dollars.One expert says that depression is like cancer beca...
【单选题】Depression isn't just feeling down. It's a real illness with real causes. Depression can be set off by stressful life events, like divorce or a death in the family or it can appear suddenly, for no ap...
A.
a mental state that can be overcome without medicine
B.
an illness that no medicine can cure
C.
an experience everyone has in his life time
D.
something you can avoid by leading a happy life
【单选题】Depression is different from sadness in that ________.
A.
depression can cause negative effects.
B.
depression is more intense and lasts much longer
C.
depression is one kind of common cold
D.
depression happens only to older people
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