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【判断题】
数据流程图描述了系统的分解，即描述了系统由哪几部分组成，各部分之间的联系，并说明了系统中各个成分的含义。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Stop whining! You are really getting on my nerves .
A.
You really have a lot of courage.
B.
You are making me annoyed.
C.
You are hurting my neck.
D.
You are making me nervous.
【单选题】Since you are tired, you’ d better and have a good rest.
A.
to stop to study
B.
stop to study
C.
stop studying
D.
to stop studying
【单选题】You look tired. You’d better______ a good rest.
A.
stop to have
B.
stop having
C.
to stop to have
D.
to stop having
【单选题】You are so tired. Why don’t you ____ a rest?
A.
stop have
B.
to stop having
C.
stop having
D.
stop to have
【简答题】学前儿童科学教育的年龄阶段目标，是指根据学前儿童科学教育总目标确立的、按学前儿童年龄阶段划分的（ ）。
【简答题】学前儿童科学教育的年龄阶段目标，是指根据学前儿童科学教育总目标确立的、按学前儿童年龄阶段划分的（）目标。
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