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【判断题】
新凯恩斯主义与新古典宏观经济学在理论基础上的主要区别不在于私人经济部门是否拥有理性预期,而在于工资与价格是否存在黏性。
A.
正确
B.
错误
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举一反三
【单选题】基带信号是指( )
A.
调制前 解调后 的信号
B.
调制后 解调前 的信号
C.
一般具有较高的频率
D.
一般用于远距离传输
【单选题】______ is the branch of linguistics which studies the sound patterns of languages from a function perspective.
A.
Phonetics
B.
Semantics
C.
Phonology
D.
Sociolinguistics
【单选题】Sound waves reflected from a hill can be used to estimate the ________.
A.
height of the hill
B.
speed of sound
C.
distance to the hill
D.
intensity of sound
【单选题】Under proper conditions, sound waves will be reflected from a hillside or other such obstruction. Sound travels at the rate of about one-fifth of a mile per second. If the hill is eleven hundred feet ...
A.
height of the hill
B.
speed of sound
C.
distance to the hill
D.
intensity of sound
【单选题】Under proper conditions, sound waves will be reflected from the hillside or other such obstruction.
A.
mirrored
B.
bounced back
C.
absorbed
D.
soaked through
【单选题】Sound moves from its source to the ear by wave like fluctuations in air pressure, something like the peaks and troughs or the lowest point of ocean waves. One way to keep from hearing sound is to use ...
A.
the rising and falling of water in the ocean
B.
the crests and valleys of mountain ranges
C.
a flag waving in the air
D.
a machine for measuring air pressure
【简答题】The title of Faulkner's novel The Sound and the Fury is quoted from a sentence in Shakespeare's play ---. A.Macbeth B.King Lear C.Hamlet
【单选题】药代动力学是研究药物( )
A.
体内过程
B.
作用
C.
与受体结合
D.
作用和作用机制
【判断题】所谓基带是指基本频带,基带信号是指未经调制或接收端解调之后的信号,即原始信号。数字通信系统中,数字信号即为其基带信号。
A.
正确
B.
错误
【简答题】the title of the novel the sound and the fury comes from a play written by ___________.
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