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【单选题】
压气机速度三角形的绝对速度的切向分量叫做: ()
A.
预旋量
B.
偏转量
C.
轴向分量
D.
径向分量
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参考解析：
知识点：
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举一反三
【单选题】Which of the following is NOT mentioned in the passage as a factor leading to the popularity of fast food?
A.
Cheap price.
B.
The media.
C.
Busy lifestyle.
D.
Convenience
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【多选题】下列各项经济业务中，能引起会计等式左右两边会计要素同时变动的有( )。
A.
收到某单位前欠货款存人银行
B.
以银行存款偿还银行借款
C.
收到某单位投入机器设备一台
D.
以银行存款购买材料（不考虑增值税）
查看完整题目与答案
【多选题】下列各项经济业务中,能引起会计等式左右两边会计要素同时变动的有( )。
A.
企业发放现金股利
B.
以银行存款偿还银行借款
C.
收到某单位投入机器设备一台
D.
收到某单位前欠货款存入银行
查看完整题目与答案
【单选题】The conclusion which can be drawn safely from the second paragraph is that ______.
A.
a population growth from natural increase leads to a greater proportion of the workforce
B.
a large population does not necessarily mean a higher proportion of workforce
C.
the larger the number of the aged in a population, the higher the proportion of the workforce
D.
if the population has an evenly spread age distribution, the workforce will be lower
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【判断题】07世界贸易组织的最惠国待遇的特点是单边,有条件的。
A.
正确
B.
错误
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【单选题】The truth is that radio has not been by television and Internet. In fact, radio is as popular as it has ever been.
A.
furnished
B.
eclipsed
C.
exiled
D.
fueled
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【单选题】.Most of the citizens didn’t know what had________just now.
A.
come through
B.
come into
C.
come along
D.
come about
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【简答题】某射击游戏规定：每位选手最多射击3次；射击过程中若击中目标，方可进行下一次射击，否则停止射击；同时规定第i(i=l，2，3)次射击时击中目标得4-i分，否则该次射击得0分．已知选手甲每次射击击中目标的概率为0.8，且其各次射击结果互不影响． (Ⅰ)求甲恰好射击两次的概率； (Ⅱ)设该选手甲停止射击时的得分总和为ξ，求随机变量ξ的分布列及数学期望．
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【单选题】听力原文：W: Come swimming with me? M: Sorry, but I'm up to my neck in work. Q: What's the man's problem? (13)
A.
He injured his neck.
B.
He's tired of swimming.
C.
He's too busy to go swimming.
D.
He's afraid to swim in deep water.
查看完整题目与答案
【简答题】长度测量工具包括: 和 。
查看完整题目与答案
相关题目：
【单选题】Which of the following is NOT mentioned in the passage as a factor leading to the popularity of fast food?
A.
Cheap price.
B.
The media.
C.
Busy lifestyle.
D.
Convenience
查看完整题目与答案
【多选题】下列各项经济业务中，能引起会计等式左右两边会计要素同时变动的有( )。
A.
收到某单位前欠货款存人银行
B.
以银行存款偿还银行借款
C.
收到某单位投入机器设备一台
D.
以银行存款购买材料（不考虑增值税）
查看完整题目与答案
【多选题】下列各项经济业务中,能引起会计等式左右两边会计要素同时变动的有( )。
A.
企业发放现金股利
B.
以银行存款偿还银行借款
C.
收到某单位投入机器设备一台
D.
收到某单位前欠货款存入银行
查看完整题目与答案
【单选题】The conclusion which can be drawn safely from the second paragraph is that ______.
A.
a population growth from natural increase leads to a greater proportion of the workforce
B.
a large population does not necessarily mean a higher proportion of workforce
C.
the larger the number of the aged in a population, the higher the proportion of the workforce
D.
if the population has an evenly spread age distribution, the workforce will be lower
查看完整题目与答案
【判断题】07世界贸易组织的最惠国待遇的特点是单边,有条件的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The truth is that radio has not been by television and Internet. In fact, radio is as popular as it has ever been.
A.
furnished
B.
eclipsed
C.
exiled
D.
fueled
查看完整题目与答案
【单选题】.Most of the citizens didn’t know what had________just now.
A.
come through
B.
come into
C.
come along
D.
come about
查看完整题目与答案
【简答题】某射击游戏规定：每位选手最多射击3次；射击过程中若击中目标，方可进行下一次射击，否则停止射击；同时规定第i(i=l，2，3)次射击时击中目标得4-i分，否则该次射击得0分．已知选手甲每次射击击中目标的概率为0.8，且其各次射击结果互不影响． (Ⅰ)求甲恰好射击两次的概率； (Ⅱ)设该选手甲停止射击时的得分总和为ξ，求随机变量ξ的分布列及数学期望．
查看完整题目与答案
【单选题】听力原文：W: Come swimming with me? M: Sorry, but I'm up to my neck in work. Q: What's the man's problem? (13)
A.
He injured his neck.
B.
He's tired of swimming.
C.
He's too busy to go swimming.
D.
He's afraid to swim in deep water.
查看完整题目与答案
【简答题】长度测量工具包括: 和 。
查看完整题目与答案