皮皮学，免费搜题
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搜题
【单选题】
高速钢刀具切削温度超过 550~600°C 时,刀具材料会发生变化,使刀具迅速磨损,这种现象称为 ____ 。
A.
扩散
B.
相变
C.
氧化
D.
粘接
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】If consumers view cappuccinos and lattés as substitutes, what would happen to the equilibrium price and quantity of lattés if the price of cappuccinos rises?
A.
Both the   equilibrium price and quantity would increase.
B.
Both the   equilibrium price and quantity would decrease.
C.
The equilibrium   price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium   price would decrease, and the equilibrium quantity would increase.
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【单选题】What would happen to the equilibrium price and quantity of lattés if the cost of producing steamed milk, which is used to make lattés, rises?
A.
Both the equilibrium price and quantity would increase.
B.
Both the equilibrium price and quantity would decrease.
C.
The equilibrium price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】The equilibrium price is the price at which the quantity
A.
sold equals the quantity bought.
B.
demanded equals the quantity sold.
C.
demanded equals the quantity supplied.
D.
supplied equals the quantity bought.
查看完整题目与答案
【单选题】If scientists discover that steamed milk, which is used to make lattés, prevents heart attacks, what would happen to the equilibrium price and quantity of lattés?
A.
Both the equilibrium price and quantity would increase.
B.
Both the equilibrium price and quantity would decrease.
C.
The equilibrium price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】下列省区中兼跨我国地势第一、二级阶梯,有长江、黄河流经的省区是
A.
西藏
B.
四川
C.
重庆
D.
甘肃
查看完整题目与答案
【判断题】电线严禁出现线头、线路接头过多及接头处理不当都会导致安全隐患
A.
正确
B.
错误
查看完整题目与答案
【多选题】在Keil C里,中断子程序与函数有何不同?()
A.
中断子程序不必声明
B.
函数需要声明
C.
中断子程序必须有形式参数
D.
中断子程序一定会有返回值
查看完整题目与答案
【单选题】在 Keil C 里,中断子程序与函数有何不同?( )
A.
中断子程序一定会有返回值
B.
函数不必声明
C.
中断子程序必须有形式参数
D.
中断子程序不必声明
查看完整题目与答案
【单选题】If consumers often purchase muffins to eat while they drink their lattés at local coffee shops, what would happen to the equilibrium price and quantity of lattés if the price of muffins falls?
A.
Both the   equilibrium price and quantity would increase.
B.
Both the   equilibrium price and quantity would decrease.
C.
The equilibrium   price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium   price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】在Keil C里,中断子程序与函数有何不同?
A.
中断子程序不必声明
B.
函数不必声明
C.
中断子程序必须有形式参数
D.
中断子程序一定会有返回值
查看完整题目与答案
相关题目：
【单选题】If consumers view cappuccinos and lattés as substitutes, what would happen to the equilibrium price and quantity of lattés if the price of cappuccinos rises?
A.
Both the   equilibrium price and quantity would increase.
B.
Both the   equilibrium price and quantity would decrease.
C.
The equilibrium   price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium   price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】What would happen to the equilibrium price and quantity of lattés if the cost of producing steamed milk, which is used to make lattés, rises?
A.
Both the equilibrium price and quantity would increase.
B.
Both the equilibrium price and quantity would decrease.
C.
The equilibrium price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】The equilibrium price is the price at which the quantity
A.
sold equals the quantity bought.
B.
demanded equals the quantity sold.
C.
demanded equals the quantity supplied.
D.
supplied equals the quantity bought.
查看完整题目与答案
【单选题】If scientists discover that steamed milk, which is used to make lattés, prevents heart attacks, what would happen to the equilibrium price and quantity of lattés?
A.
Both the equilibrium price and quantity would increase.
B.
Both the equilibrium price and quantity would decrease.
C.
The equilibrium price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】下列省区中兼跨我国地势第一、二级阶梯,有长江、黄河流经的省区是
A.
西藏
B.
四川
C.
重庆
D.
甘肃
查看完整题目与答案
【判断题】电线严禁出现线头、线路接头过多及接头处理不当都会导致安全隐患
A.
正确
B.
错误
查看完整题目与答案
【多选题】在Keil C里,中断子程序与函数有何不同?()
A.
中断子程序不必声明
B.
函数需要声明
C.
中断子程序必须有形式参数
D.
中断子程序一定会有返回值
查看完整题目与答案
【单选题】在 Keil C 里,中断子程序与函数有何不同?( )
A.
中断子程序一定会有返回值
B.
函数不必声明
C.
中断子程序必须有形式参数
D.
中断子程序不必声明
查看完整题目与答案
【单选题】If consumers often purchase muffins to eat while they drink their lattés at local coffee shops, what would happen to the equilibrium price and quantity of lattés if the price of muffins falls?
A.
Both the   equilibrium price and quantity would increase.
B.
Both the   equilibrium price and quantity would decrease.
C.
The equilibrium   price would increase, and the equilibrium quantity would decrease.
D.
The equilibrium   price would decrease, and the equilibrium quantity would increase.
查看完整题目与答案
【单选题】在Keil C里,中断子程序与函数有何不同?
A.
中断子程序不必声明
B.
函数不必声明
C.
中断子程序必须有形式参数
D.
中断子程序一定会有返回值
查看完整题目与答案