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【单选题】
下列属于交换机优于集线器的选项是( )A.
端口数量多
B.
体积大
C.
灵敏度高
D.
交换机传输信息是 ” 点对点 ” 方式
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举一反三
【单选题】Compared to the last version, this product may have been an improvement, but its sales _______ is still a mystery.
A.
proper
B.
prospect
C.
person
D.
people
【单选题】设A 1 、A 2 、A 3 表示3个事件，则A1A2+A1A3+A2A3表示( )．
A.
A 1 、A 2 、A 3 中有一个发生
B.
A 1 、A 2 、A 3 至少一个不发生
C.
A 1 、A 2 、A 3 不多于一个发生
D.
A 1 、A 2 、A 3 中恰有两个发生
【判断题】Some luxury product manufacturers will purposefully raise prices on their goods in order to reduce sales volume. This strategy may subject to the bandwagon effect.
A.
正确
B.
错误
【简答题】This product may ( 包含)______ milk and eggs.
【简答题】This product may _____ milk and eggs. ( book, funny, luxury, price, path, contain, interview, mall, discount, parking, salad, hurry, diner, canceled, usual, cash , tired )
【单选题】The company has confidence in this product, we may say: "we think it will be very ( )."
A.
clean
B.
normal
C.
successful
D.
expensive
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