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【简答题】
试证平行流场中，沿任意封闭线的速度环量均为零，即平行均匀流场是一个无旋场。
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举一反三
【单选题】The professor said he would not postpone the exam even if the students could not get well prepared.
A.
call off
B.
call on
C.
put away
D.
put off
查看完整题目与答案
【单选题】Professor Johnson is said ______ some significant advance in his research in the past year.
A.
having made
B.
making
C.
to have made
D.
to make
查看完整题目与答案
【单选题】相较《明儒学案》，《宋元学案》中增设什么来罗列学派的传授系统()。
A.
传
B.
表
C.
评论
D.
著作
查看完整题目与答案
【单选题】What was said about the professor?
A.
He returned the lottery ticket to the thief.
B.
He was a 50-year-old math professor.
C.
He saw the thief on TV news.
D.
He handed over the cash to the thief.
查看完整题目与答案
【单选题】渐开线齿廓的形状与齿轮的( )半径大小有关。
A.
节圆
B.
分度圆
C.
基圆
D.
渐开线曲率
查看完整题目与答案
【单选题】A professor said the rise of the BRICS countries（金砖国家） is a/an _______ of the end of the world in the control of the USA. A. barrier       
B.
process       
C.
aspect             
D.
symptom
查看完整题目与答案
【单选题】“Professor Wang is at work in ________ office” Miss Brown said in ________ low voice
A.
/; the
B.
the; a
C.
the; /
D.
an; the
查看完整题目与答案
【判断题】钢化玻璃用普通单板玻璃或磨光玻璃经加热与淬火制成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列选项中，可以实现警告框的是（）
A.
alert()
B.
prompt()
C.
document.write()
D.
console.log()
查看完整题目与答案
【单选题】渐开线齿廓的形状与齿轮的( )半径大小有关。
A.
分度圆
B.
节圆
C.
基圆
D.
渐开线曲率
查看完整题目与答案
相关题目：
【单选题】The professor said he would not postpone the exam even if the students could not get well prepared.
A.
call off
B.
call on
C.
put away
D.
put off
查看完整题目与答案
【单选题】Professor Johnson is said ______ some significant advance in his research in the past year.
A.
having made
B.
making
C.
to have made
D.
to make
查看完整题目与答案
【单选题】相较《明儒学案》，《宋元学案》中增设什么来罗列学派的传授系统()。
A.
传
B.
表
C.
评论
D.
著作
查看完整题目与答案
【单选题】What was said about the professor?
A.
He returned the lottery ticket to the thief.
B.
He was a 50-year-old math professor.
C.
He saw the thief on TV news.
D.
He handed over the cash to the thief.
查看完整题目与答案
【单选题】渐开线齿廓的形状与齿轮的( )半径大小有关。
A.
节圆
B.
分度圆
C.
基圆
D.
渐开线曲率
查看完整题目与答案
【单选题】A professor said the rise of the BRICS countries（金砖国家） is a/an _______ of the end of the world in the control of the USA. A. barrier       
B.
process       
C.
aspect             
D.
symptom
查看完整题目与答案
【单选题】“Professor Wang is at work in ________ office” Miss Brown said in ________ low voice
A.
/; the
B.
the; a
C.
the; /
D.
an; the
查看完整题目与答案
【判断题】钢化玻璃用普通单板玻璃或磨光玻璃经加热与淬火制成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列选项中，可以实现警告框的是（）
A.
alert()
B.
prompt()
C.
document.write()
D.
console.log()
查看完整题目与答案
【单选题】渐开线齿廓的形状与齿轮的( )半径大小有关。
A.
分度圆
B.
节圆
C.
基圆
D.
渐开线曲率
查看完整题目与答案