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【单选题】
软件开发的原型化方法是一种动态定义软件需求的方法,下述条件中,( )是实施原型化方法所必需的. 熟的原型化人员 速的成型工具 求了解的正确性A.
Ⅰ和Ⅱ
B.
Ⅱ和Ⅲ
C.
Ⅰ、Ⅱ和Ⅲ
D.
Ⅲ
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皮皮学刷刷变学霸
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【多选题】如图所示 , 两个频率与相位、振幅均相同的波的干涉图样中,实线表示波峰,虚线表示波谷,对叠加的结果正确的描述是 ( )
A.
在 A 点出现波峰后，经过半个周期该点还是波峰
B.
B 点在干涉过程中振幅始终为零
C.
AD 连线上的点都是振动加强点
D.
当 C 点为波谷时，经过一个周期此点出现波峰
【单选题】The rhetorical function of the first paragraph is to
A.
serve as prelude to the author’S argument．
B.
present the author’S counterargument．
C.
introduce Rona Jaffe’S novel．
D.
bring into focus contrasting opinions．
【单选题】Which of the following is correct?
A.
The prelude is more unnerving than the rest of the film.
B.
The prelude is as unnerving as the rest of film.
C.
The prelude is less unnerving than the rest of the film.
D.
The prelude is as unnerving as most of the remaining part of the film.
【单选题】We are glad to send you this introductory letter, hoping that it will be the prelude () mutually beneficial relations between us.
A.
for
B.
to
C.
on
D.
in
【简答题】Writing The Prelude is a process of ____.
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