【单选题】应用叠加定理来分析计算电路时,应注意以下几点,错误的是
【简答题】从分别写上数字1,2,3,…,9的9张卡片中,任取2张,观察上面数字,试求下列事件的概率: (1) 两数和为偶数; (2) 两数积为完全平方数。
【多选题】应用叠加定理来分析计算电路时,应注意( )
【单选题】采用边二传阵形组织进攻时,二传队员一般站在何处()
【单选题】Which sentence from the article states a main idea of the entire article?
A.
Kids love playing with little green army men.
B.
Come Christmas of next year, the army will include little green women.
C.
Her letter was filled with 6-year-old spelling mistakes.
D.
The fourth woman would be kneeling and firing a gun.
【多选题】Which of the following sentences are appropriate with the word “inquisitive”?
A.
The kids were wide-eyed and inquisitive.
B.
Jenny was a very inquisitive child, always asking "why?"
C.
Don't be so inquisitive - it makes people uncomfortable.
D.
The crowded room was filled with lights, cameras, and inquisitive reporters.
【单选题】用叠加定理求电压电流时,在分电路中分别求出各电源单独作用时所产生的分量然后叠加。应该注意的是分电路中电压(或电流)参考方向应与原电路中参考方向相同,如果不同叠加时应如何处理?
【简答题】.从分别写上数字1,2,3……9的9张卡片中,任意取出两张,观察上面的数字,则两数积是完全平方数的概率为 .