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【单选题】
需求分析是一种软件工程活动，它在系统级软件分配和软件设计间起到桥梁的作用。需求分析使得系统工程师能够刻画出软件的（1）、指明软件和其他系统元素的接口、并建立软件必须满足的约束。需求分析是发现、求精、建模和规约的过程。包括详细地精化由系统工程师建立并在软件项目计划中精化的软件范围，创建所需数据、信息和（2）以及操作行为的模型，此外还有分析可选择的解决方案，并将它们分配到各软件元素中去。空白（2）处（）
A.
事件流
B.
消息流
C.
对象流
D.
控制流
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【多选题】根据沿程阻力的计算公式可知,沿程阻力与下列哪些因素有关?
A.
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B.
管径
C.
断面平均流速
D.
重力加速度
E.
沿程阻力系数
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【单选题】根据沿程阻力计算公式可知,计算沿程阻力的主要任务是如何确定()
A.
沿程阻力系数
B.
流动速度
C.
管道长度
D.
管道直径
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【单选题】Tom and Judy are _______ after having dinner at a restaurant.
A.
driving to home
B.
drive home
C.
driving home
D.
drive to home
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【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：Judy: Hi, Tom! Tom: Judy....
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He was on a field trip.
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He was vacationing in Florida.
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He was studying most of the time.
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【单选题】下面选项中,可以存储整数数值并且占用4个字节的是
A.
BIGINT
B.
SMALLINT
C.
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D.
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【判断题】8848倒闭是中国互联网冷冻调整期的重要标志之一。（ ）
A.
正确
B.
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【单选题】SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end o...
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【简答题】实训三 认识物流功能要素.doc
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【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：J: Hi, Tom! T: Judy. Have...
A.
He was on a field trip.
B.
He was vacationing in Florida.
C.
He was studying most of the time.
D.
He was vacationing at home.
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【简答题】用方框内的单词或词组的适当形式填空。 be the same as,  be good at,  like,  make sb. laugh,  be different form 1. Tom Peter. They are both outgoing. 2. I to have friends who are like me. 3. Last Sunday I went to watch a ...
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相关题目：
【多选题】根据沿程阻力的计算公式可知,沿程阻力与下列哪些因素有关?
A.
管长
B.
管径
C.
断面平均流速
D.
重力加速度
E.
沿程阻力系数
查看完整题目与答案
【单选题】根据沿程阻力计算公式可知,计算沿程阻力的主要任务是如何确定()
A.
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C.
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D.
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【单选题】Tom and Judy are _______ after having dinner at a restaurant.
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driving to home
B.
drive home
C.
driving home
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drive to home
查看完整题目与答案
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：Judy: Hi, Tom! Tom: Judy....
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B.
He was vacationing in Florida.
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【单选题】下面选项中,可以存储整数数值并且占用4个字节的是
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A.
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【单选题】SECTION B INTERVIEW Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Questions 1 to 5 are based on an interview. At the end o...
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Sightseeing.
B.
Lying on the beach.
C.
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D.
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【简答题】实训三 认识物流功能要素.doc
查看完整题目与答案
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文：J: Hi, Tom! T: Judy. Have...
A.
He was on a field trip.
B.
He was vacationing in Florida.
C.
He was studying most of the time.
D.
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查看完整题目与答案
【简答题】用方框内的单词或词组的适当形式填空。 be the same as,  be good at,  like,  make sb. laugh,  be different form 1. Tom Peter. They are both outgoing. 2. I to have friends who are like me. 3. Last Sunday I went to watch a ...
查看完整题目与答案