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【简答题】
因为变质而卖不出去的商品有没有价值，下列看法你认为哪个是正确的？ A.有价值，因为这些商品同样凝结了人类的一般劳动 B.没有价值，因为商品卖不出去，意味着生产商品的劳动没有得到社会承认 C.有价值，只不过这些商品的价值没有得到实现 D.没有价值，但仍然有一定的使用价值
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反馈参考答案：
举一反三
【单选题】The hardware address of a computer on a LAN can also be called a MAC address because ().
A.
Hardware address is the address used in the media access control layer when transmitting data.
B.
It is the address. MAC is the abbreviation of physical address.
C.
It is the physical layer address, and MAC is the abbreviation of the physical layer.
D.
It is the link layer address, and MAC is the abbreviation of link layer.
【简答题】2018年,农村贫困人口减少_ 万人,贫困发生率下降至_。
【单选题】In the following descriptions about MAC address, which one is not correct? ( )
A.
The MAC address is the address of one node’s adapter.
B.
No two adapters have the same MAC address.
C.
The MAC address doesn’t change no matter where the adapter goes.
D.
MAC address has a hierarchical structure.
【单选题】A socket is composed of two addresses:(72)。
A.
MAC address and IP address
B.
MAC address and port address
C.
port number and IP address
D.
E-mail address and IP address
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