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【多选题】
以下哪些原因会造成曲轴的损伤?
A.
发动机的爆震
B.
发动机超负荷工作
C.
个别气缸不工作或工作不均匀
D.
各道主轴承松紧度不一致
E.
主轴承座轴度偏差增大
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: I want to exercise but never seem to find the time. W: Why not do it first thing in the morning? What does the woman suggest?
A.
Exercising just after getting up.
B.
Eating something good for breakfast.
C.
Buying the next larger size.
D.
Not exercising so many times a day.
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【单选题】听力原文：W：The visiting economist is speaking tonight．But Dr. Johnson doesn't seem to think much of him． M：That is because Dr. Johnson comes from an entirely different school of thought. Q：what do we lear...
A.
The visiting economist has given several lectures.
B.
Dr. Johnson and the guest speaker were schoolmates.
C.
Dr. Johnson invited the economist to visit their college.
D.
The guest lecturer's opinion is different from Dr. Johnson's.
查看完整题目与答案
【判断题】企业精神是企业群体在长期生产经营中形成的一种信念和不懈追求,是某一特定企业基于自身具有的性质、任务、宗旨、时代要求和发展方向。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列变形中，正确的是（　　）
A.
-a+b -x-y = a+b x-y
B.
a+b -x+y =- a+b x+y
C.
a+b -x+y =- a+b x-y
D.
-a+b x-y =- a+b x-y
查看完整题目与答案
【单选题】下列函数一定是关于x的二次函数的是 [     ]
A.
y=ax+bx+c
B.
y=x 2 +bx+c
C.
y=（a 2 +a）x 2 +bx+c
D.
y=（a 2 -a）x 2 +bx+c
查看完整题目与答案
【单选题】一元线性回归模型的形式为( )。
A.
y=a+bx+e
B.
y=a+x+e
C.
y=ax+b+e
D.
y=a+bx
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【单选题】听力原文：M: The visiting economist is speaking tonight. But Dr. Smith doesn't seem to think much of him. W: That's because Dr. Smith comes from an entirely different school of thought. Q: What do we learn...
A.
The visiting economist has given several lectures.
B.
The guest lecturer's opinion is different from Dr. Smith's.
C.
Dr. Smith and the guest speaker were schoolmates.
D.
Dr. Smith invited the economist to visit their college.
查看完整题目与答案
【单选题】听力原文：M：The visiting economist is speaking tonight．But Dr. Johnson doesn't seem to think much of him. W: That's because Dr. Johnson comes from an entirely different school of thought. Q：What do we lear...
A.
The visiting economist has given several lectures.
B.
The guest lecturer's opinion is different from Dr. Johnson's.
C.
Dr. Johnson and the guest speaker were schoolmates.
D.
Dr. Johnson invited the economist to visit their college.
查看完整题目与答案
【单选题】一元线性回归的基本公式正确的是( )。
A.
y=a+bx-e
B.
y=a+ex+b
C.
y=a+bx+e
D.
y=e-bx+a
查看完整题目与答案
【单选题】()是企业群体在长期生产经营中形成的一种信念和不懈追求,是某一特定企业基于自身具有的性质、任务、宗旨、时代要求和发展方向。
A.
企业精神
B.
企业哲学
C.
企业愿景
D.
企业使命宣言
查看完整题目与答案
相关题目：
【单选题】听力原文：M: I want to exercise but never seem to find the time. W: Why not do it first thing in the morning? What does the woman suggest?
A.
Exercising just after getting up.
B.
Eating something good for breakfast.
C.
Buying the next larger size.
D.
Not exercising so many times a day.
查看完整题目与答案
【单选题】听力原文：W：The visiting economist is speaking tonight．But Dr. Johnson doesn't seem to think much of him． M：That is because Dr. Johnson comes from an entirely different school of thought. Q：what do we lear...
A.
The visiting economist has given several lectures.
B.
Dr. Johnson and the guest speaker were schoolmates.
C.
Dr. Johnson invited the economist to visit their college.
D.
The guest lecturer's opinion is different from Dr. Johnson's.
查看完整题目与答案
【判断题】企业精神是企业群体在长期生产经营中形成的一种信念和不懈追求,是某一特定企业基于自身具有的性质、任务、宗旨、时代要求和发展方向。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列变形中，正确的是（　　）
A.
-a+b -x-y = a+b x-y
B.
a+b -x+y =- a+b x+y
C.
a+b -x+y =- a+b x-y
D.
-a+b x-y =- a+b x-y
查看完整题目与答案
【单选题】下列函数一定是关于x的二次函数的是 [     ]
A.
y=ax+bx+c
B.
y=x 2 +bx+c
C.
y=（a 2 +a）x 2 +bx+c
D.
y=（a 2 -a）x 2 +bx+c
查看完整题目与答案
【单选题】一元线性回归模型的形式为( )。
A.
y=a+bx+e
B.
y=a+x+e
C.
y=ax+b+e
D.
y=a+bx
查看完整题目与答案
【单选题】听力原文：M: The visiting economist is speaking tonight. But Dr. Smith doesn't seem to think much of him. W: That's because Dr. Smith comes from an entirely different school of thought. Q: What do we learn...
A.
The visiting economist has given several lectures.
B.
The guest lecturer's opinion is different from Dr. Smith's.
C.
Dr. Smith and the guest speaker were schoolmates.
D.
Dr. Smith invited the economist to visit their college.
查看完整题目与答案
【单选题】听力原文：M：The visiting economist is speaking tonight．But Dr. Johnson doesn't seem to think much of him. W: That's because Dr. Johnson comes from an entirely different school of thought. Q：What do we lear...
A.
The visiting economist has given several lectures.
B.
The guest lecturer's opinion is different from Dr. Johnson's.
C.
Dr. Johnson and the guest speaker were schoolmates.
D.
Dr. Johnson invited the economist to visit their college.
查看完整题目与答案
【单选题】一元线性回归的基本公式正确的是( )。
A.
y=a+bx-e
B.
y=a+ex+b
C.
y=a+bx+e
D.
y=e-bx+a
查看完整题目与答案
【单选题】()是企业群体在长期生产经营中形成的一种信念和不懈追求,是某一特定企业基于自身具有的性质、任务、宗旨、时代要求和发展方向。
A.
企业精神
B.
企业哲学
C.
企业愿景
D.
企业使命宣言
查看完整题目与答案