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【简答题】
极限编程XP与Scrum的区别有哪些?
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反馈参考答案：
举一反三
【简答题】设单位负反馈系统的开环传递函数为Gk(S)=25/s(s+6)，求 (1)系统的阻尼比和无阻尼自然频率ωn; (2)系统在阶跃函数输入下的超调量σ%及调整时间t(取5%的误差带)。
【单选题】I __________ my workmate to stop smoking.
A.
advise
B.
suggest
C.
advice
D.
suggestion
【单选题】（湖南卷） 32. Since I won the big prize, my telephonehasn't stopped ringing. People _____ to ask how Iam going to spend the money.
A.
phone
B.
will phone
C.
were phoning
D.
are phoning
【单选题】In the end I lost my ______ and shouted at her.
A.
character
B.
manner
C.
benefit
D.
Patience
【单选题】—Why are you so sweaty? －－－ I__________football with my classmates and how I want to have a drink
A.
32．—Why are you so sweaty? --- I__________football with my classmates and how I want to have a drink! A．was playing
B.
had been playing
C.
have played
D.
Played
【单选题】（）叶片泵运转时，存在不平衡的径向力；（）叶片泵运转时，不平衡径向力相抵消，受力情况较好。
A.
单作用、双作用
B.
单作用或双作用
C.
双作用、单作用
D.
以上情况都不是
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