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问题 单项选择题

光线：明亮
正确选项为( )

A．花朵：鲜艳
B．充实：饱满
C．奔跑：迅速
D．激烈：战斗

答案

参考答案：A

解析： 光线与明亮之间是名词与修饰词的关系。B中两者是近义词，C中“奔跑”是动词，D中顺序错误。

单项选择题

In data communication, data link is those parts of two data terminal equipments that are controlled by a protocol along with the (71) data circuit, which together enable data (72) . So-called protocol means, in short, a set of rules that determines the behavior of functional units in achieving communication.

Data circuit, however, consists of a pair of (73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of (74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment (75) to a DCE at the data switching exchange or dam concentrator location.

（75）处填（）。

A．correspondent

B．comparable

C．similar

D．analogous
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单项选择题 A1/A2型题

机体的绝大多数细胞都是通过哪种方式获得能量的（）

A.有氧氧化

B.无氧酵解

C.糖异生

D.磷酸戊糖途径

E.糖醛酸途径
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