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【简答题】
这个问题测试你对协议层和封装的理解。 在发送端有一个自上到下的协议栈，使用SPDY协议，TCP，IPv6和ADSL发送消息。在网络的“线”上，消息是怎样封装起来的？ 我们使用每一个协议的第一个字母来代表它的头，例如，S为SPDY头，再加上M代表发送该协议栈的消息。这些部分以它们被发送的顺序来写，因此，第一部分在最左边。
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皮皮学刷刷变学霸
举一反三
【单选题】下列有关膜的叙述，错误的是（）
A.
细胞膜主要由蛋白质分子和磷脂分子组成
B.
核膜和内质网膜在结构上有密切联系
C.
线粒体膜和叶绿体中的蛋白质分子是相同的
D.
细胞膜中的大多数蛋膜白质分子和磷脂分子不是静止的
【简答题】a willingness to keep checking off priorities. This is particularly true of self-employed people
【单选题】The interviewee is not self-employed mainly because______.
A.
his wife likes him to work for a firm
B.
he prefers working for the government
C.
self-employed work is very demanding
D.
self-employed work is sometimes insecure
【简答题】A recent body of economic literature supports the notion that the self-employed are more satisfied with their jobs than are employees. The research finds this to be true across most OECD countries, wi...
【单选题】下列有关膜的叙述,错误的是
A.
细胞膜主要由脂质和蛋白质组成
B.
细胞膜中还有少量的糖类
C.
线粒体膜和叶绿体膜中的蛋白质分子是相同的
D.
在组成细胞膜的脂质中，磷脂最丰富
【单选题】The man does not plan to be self-employed mainly because
A.
his wife likes him to work for a firm.
B.
he prefers working for the government.
C.
self-employed work is very demanding.
D.
self-employed work is sometimes insecure.
【单选题】The interviewee is not self-employed mainly because
A.
her husband likes her to work for a firm.
B.
she prefers working for the government.
C.
self-employed work is very demanding.
D.
self-employed work is sometimes insecure.
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