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【单选题】
下列状态图描述不正确的是A.
状态图通过建立类对象的生命周期模型来描述对象随时间变化的动态行为
B.
状态图的主要目的是描述对象创建和撤销的过程中资源的不同状态，有利于开发人员提高开发效率
C.
状态图用于描述状态和动作的顺序，不仅可以展示一个对象拥有的状态，还可以说明事件如何随着时间来推移来影响这些状态
D.
状态图描述了一个褓基于事件反应的动态行为，显示该实体如何根据当前所处状态对不同的事件作出反应
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【简答题】MOS管的尺寸以及工作电压等参数按同样的比例缩小,使器件中的电场强度保持不变,这称为( )的按比例缩小原则
【简答题】Complete the sentences with the words from the given paragraphs. Change the form where necessary. The first letter of each word is given. (温馨提示:不需要填写已经给出的单词首字母。) 1. Students have enough as to...
【多选题】What are the time markers in the following paragraph? Before going to the party, each of us prepared a gift. At the beginning of the party, we lit the candles and turned off the light. Then we sang th...
A.
before
B.
at the beginning
C.
then
D.
after
【简答题】Students have enough as to what dreams they would like to p___________. (Para. 1) 2. Miss Wang asked each of us to tell her about a m___________ in our high-school days. (Para. 3) 3. J...
【简答题】教育界对“教学事件”的初认知来自著名教学设计大师 。
【简答题】Complete the sentences with the words from the given paragraphs. Change the form where necessary. The first letter of each word is given. 1. Students have enough as to what dreams they would ...
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