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【判断题】
利用节点KCL方程求解某一支路电流时,若改变接在同一节点所有其它已知支路电流的参考方向,将使求得的结果有符号的差别( )。A.
正确
B.
错误
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举一反三
【单选题】9 Questions 9 to 12 are based on the conversation you have just heard.
A.
The designing of a new restaurant.
B.
The psychology of doing business.
C.
The winner and loser in the market.
D.
The slow business in their restaurant.
【单选题】12 Questions 9 to 12 are based on the following conversation
A.
He needs to go and study hard.
B.
He needs to keep up with others.
C.
He needs to catch the last bus.
D.
He needs to go and finish his work.
【简答题】有数组 int array[10]={2,3,6,8,1,7,9,0,-2,43}; int num1=5; int num2=3; int num3=array[num1]+array[num2-1]; num3的值等于______。
【单选题】data=np.array([1.2,3.0,1.6]) data.floor(a) 该程序运行的结果是?
A.
array([2,3,2])
B.
array([1,3,1])
C.
array([2,3,1])
D.
array([1.2,3.0,1.6])
【单选题】9 Questions 9 to 12 are based on the conversation you have just heard.
A.
Whether zoos are good for animals or not.
B.
Whether they should go to the zoo this Saturday.
C.
Whether wild animals should be rescued or not.
D.
Whether a polar bear should live in California.
【单选题】Questions 9 to 12 are based on the conversation you have just heard.
A.
Dating(约会) the woman.
B.
Looking for an apartment.
C.
Decorating(装修) his apartment.
D.
Moving pieces of his furniture.
【单选题】Questions 9 to 12 are based on the conversation you have just heard.
A.
The woman's advisor.
B.
The woman's brother.
C.
The woman's boyfriend.
D.
The woman's boss.
【单选题】Assume an array is declared as follows. Which of the following statements correctly assigns the value 100 to each of the four array elements? int[] num = new int[4];
A.
for(x = 0; x < 3; x++) num[x]=100;
B.
for(x = 0; x < 4; x++) num[x]=100;
C.
for(x = 1; x < 4; x++) num[x]=100;
D.
for(x = 1; x < 5; x++) num[x]=100;
【单选题】Conversation Two 9 Questions 9 to 12 are based on the conversation you have just heard.
A.
His future plan.
B.
His life in the UK.
C.
The salary he is earning.
D.
The requirements for a good worker.
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