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【判断题】
不对称三相负载作星形连接时，必须接有中线。（）
A.
正确
B.
错误
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【单选题】2018年11月14日,中国和东盟通过《中国——东盟战略伙伴关系2030年愿景》,决定构建以三大支柱为主线,多领域合作为支撑的合作新框架。以下不属于三大柱的是()。
A.
基础设施
B.
政治安全
C.
人文交流
D.
经济合作
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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.
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
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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....
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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【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.
INT
D.
TINYINT
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【多选题】根据局部阻力的计算公式可知,局部阻力与下列哪些因素有关?
A.
局部阻力系数
B.
断面平均流速
C.
重力加速度
D.
管长
E.
沿程阻力系数
查看完整题目与答案
【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...
A.
Sightseeing.
B.
Lying on the beach.
C.
Taking photographs of the beaches.
D.
Scuba diving.
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.
He was vacationing at home.
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 ...
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相关题目：
【单选题】2018年11月14日,中国和东盟通过《中国——东盟战略伙伴关系2030年愿景》,决定构建以三大支柱为主线,多领域合作为支撑的合作新框架。以下不属于三大柱的是()。
A.
基础设施
B.
政治安全
C.
人文交流
D.
经济合作
查看完整题目与答案
【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.
沿程阻力系数
B.
流动速度
C.
管道长度
D.
管道直径
查看完整题目与答案
【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
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....
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.
查看完整题目与答案
【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.
INT
D.
TINYINT
查看完整题目与答案
【多选题】根据局部阻力的计算公式可知,局部阻力与下列哪些因素有关?
A.
局部阻力系数
B.
断面平均流速
C.
重力加速度
D.
管长
E.
沿程阻力系数
查看完整题目与答案
【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...
A.
Sightseeing.
B.
Lying on the beach.
C.
Taking photographs of the beaches.
D.
Scuba diving.
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.
He was vacationing at home.
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