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【判断题】
EPON（EthernetPassiveOpticalNetwork），即以太网无源光网络，是一种新型的光纤接入网技术，它采用点到多点结构、无源光纤传输，但缺点是必须租用机房。A.
正确
B.
错误
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【单选题】When the price of a good increases, then ceteris paribus, we would expect______.
A.
quantity demanded to increase
B.
demand to decrease
C.
supply to increase
D.
quantity supplied to increase
【单选题】The term "ceteris paribus" means that:
A.
everything is variable.
B.
all variables except those specified are constant.
C.
no one knows which variables will change and which will remain constant.
D.
what is true for the individual is not necessarily true for the whole.
【简答题】结合遗传物质的相关实验 , 回答下列问题 . (1) 后来 , 赫尔希和蔡斯用 1 法 , 进一步证明 DNA 是噬菌体的遗传物质 . 实验包括 4 个步骤 : 1. 上清液和沉淀物的放射性检测 2. 分别用含 用 35 S 或 32 P 的培养基培养细菌 3. 标记的 噬菌体 与未标记的细菌混合培养 4. 充分搅拌后离心 5. 噬菌体与 标记的 大肠杆菌混合培养 该实验步骤的正确顺序是 2 ( ...
【单选题】Ceteris paribus is the Latin expression for
A.
the (false) statement that what is true of the parts is true of the whole or what is true of the whole is true of the parts.
B.
the error of reasoning that a first event causes a second event because the first event occurred before the second event.
C.
an expression that means “other things being equal.”
D.
a statement about the way the economic world ought to be.
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