单项选择题

可行性分析是在系统开发的早期所做的一项重要的论证工作，是决定该系统是否开发的依据，因此必须给出“做什么”的回答。

A.正确
B.错误
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判断题
The probability to find an electron in the nodal zones in the plot of |Y|2 is zero.
多项选择题
According to the lecture, the experts have offered the following advice_____ A、A to explore more linguistic theories and learning strategies for Chinese learners B、B to integrate language study with students’ major and job orientation C、C to input more original western textbooks D、D to create a more dynamic assessment for college English teaching
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