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【单选题】
按照合同标的( )不同,电子合同可分为信息许可使用合同与信息服务合同A.
性质
B.
特点
C.
归属
D.
特性
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举一反三
【单选题】为了把2-戊炔转变为顺-2-戊烯,应采用下列哪一个反应条件?
A.
BH3
B.
H2（一分子）Pd（Lindlar催化剂）
C.
H2（两分子）Pd（Lindlar催化剂）
D.
Na、液氨
【简答题】重庆邮电大学 有一个主机的IP地址为202.202.32.33,该主机所在的网络地址是 (用点分十进制表示);该网络的最大主机数是 .
【单选题】Which of the following can be inferred from the passage about the digital approach to the processing of sound?
A.
It was developed in competition with wax-cyclinder recording technology.
B.
It has resulted in the first distortion-free playback system.
C.
It has been extensively applied to nonmusical sounds.
D.
It cannot yet process music originally recorded on analog equipment.
E.
It is not yet capalbe of reprocessing old recordings in a completely distortion-free manner.
【简答题】Different types of noise Some noises can be considered pleasant e.g. the sound of a 34 _____ in a town To investigate this, researchers may use methods from 35 _____ sciences e.g. questionnaire
【简答题】B1U3 Exercise 6 Banked close ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________
【简答题】Different types of noise Some noises can be considered pleasant e.g. the sound of a 34 in a town
【单选题】The sound /e/ can be described with “________, semi-close, unrounded.”
A.
front
B.
central
C.
lax
D.
back
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