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【判断题】
振动的频率高于20kHz的声波称为次声波。
A.
正确
B.
错误
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参考答案：
举一反三
【单选题】泰勒的科学管理原现原理的理论基础是亚当·斯密提出的（）
A.
工作专业化
B.
职能专业化
C.
工作丰富化
D.
工作岗位的改变
查看完整题目与答案
【单选题】某元素的原子核外有3个电子层,最外层有6个电子,该原子核内的质子数为( )
A.
17
B.
16
C.
15
D.
14
查看完整题目与答案
【单选题】泰勒的科学管理原理的理论基础是亚当·斯密提出的（）
A.
工作专业化
B.
职能专业化
C.
工作丰富化
D.
工作扩大化
查看完整题目与答案
【判断题】连续性方程所反映的管路各截面上流速变化规律,与管路上是否装有管件、阀门或输送设备等无关。
A.
正确
B.
错误
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【单选题】花生四烯酸是 ( )
A.
十八碳三烯酸
B.
八碳二烯酸
C.
十二碳六烯酸
D.
二十碳四烯酸
查看完整题目与答案
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： It was an Italian inventor who created...
A.
Few people owned the necessary equipment.
B.
The music selection was not very popular.
C.
Few ships came into New York harbor.
D.
The radio signal was too weak to reach a mass audience.
查看完整题目与答案
【单选题】在图元有重叠时切换选择的图元怎么操作?
A.
shift+Tab
B.
shift+w
C.
tab
D.
ZR
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【单选题】about ENIAC ’ s description the wrong is ( )
A.
ENIAC was made in America in 1946
B.
it used tube and transistor
C.
It is the first electronic computer to use stored program and program control to work automatically.
D.
Its main purpose is to calculate trajectory.
查看完整题目与答案
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： It was an Italian inventor who created...
A.
Few people owned the necessary equipment.
B.
The music selection was not very popular.
C.
Few ships came into New York harbor.
D.
The radio signal was too weak to reach a mass audience.
查看完整题目与答案
【简答题】花生四烯酸是: A、 十八碳三烯酸 ;B、 十八碳二烯酸 ; C、 二十二碳六烯酸 ;D、 二十碳四烯酸。
查看完整题目与答案
相关题目：
【单选题】泰勒的科学管理原现原理的理论基础是亚当·斯密提出的（）
A.
工作专业化
B.
职能专业化
C.
工作丰富化
D.
工作岗位的改变
查看完整题目与答案
【单选题】某元素的原子核外有3个电子层,最外层有6个电子,该原子核内的质子数为( )
A.
17
B.
16
C.
15
D.
14
查看完整题目与答案
【单选题】泰勒的科学管理原理的理论基础是亚当·斯密提出的（）
A.
工作专业化
B.
职能专业化
C.
工作丰富化
D.
工作扩大化
查看完整题目与答案
【判断题】连续性方程所反映的管路各截面上流速变化规律,与管路上是否装有管件、阀门或输送设备等无关。
A.
正确
B.
错误
查看完整题目与答案
【单选题】花生四烯酸是 ( )
A.
十八碳三烯酸
B.
八碳二烯酸
C.
十二碳六烯酸
D.
二十碳四烯酸
查看完整题目与答案
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： It was an Italian inventor who created...
A.
Few people owned the necessary equipment.
B.
The music selection was not very popular.
C.
Few ships came into New York harbor.
D.
The radio signal was too weak to reach a mass audience.
查看完整题目与答案
【单选题】在图元有重叠时切换选择的图元怎么操作?
A.
shift+Tab
B.
shift+w
C.
tab
D.
ZR
查看完整题目与答案
【单选题】about ENIAC ’ s description the wrong is ( )
A.
ENIAC was made in America in 1946
B.
it used tube and transistor
C.
It is the first electronic computer to use stored program and program control to work automatically.
D.
Its main purpose is to calculate trajectory.
查看完整题目与答案
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： It was an Italian inventor who created...
A.
Few people owned the necessary equipment.
B.
The music selection was not very popular.
C.
Few ships came into New York harbor.
D.
The radio signal was too weak to reach a mass audience.
查看完整题目与答案
【简答题】花生四烯酸是: A、 十八碳三烯酸 ;B、 十八碳二烯酸 ; C、 二十二碳六烯酸 ;D、 二十碳四烯酸。
查看完整题目与答案
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