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【单选题】
换路定律,电路在换路瞬间, 两端电压不能跃变。A.
电阻
B.
电感
C.
电容
D.
电流源
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举一反三
【简答题】Please share a movie with us,and illustrate some reasons why you want to share it?
【单选题】–___ _ the population of China? –_______ over 1,300,000,000.
A.
How many are, They are
B.
How’s, It’s
C.
What’s, It’s
D.
How much is, It’s
【简答题】(49)Since our chief business with them is to enable them to share in a common life we cannot help considering whether or not we are forming the powers which will secure this ability.此处译文为:
【判断题】As many as 300,000 workers died during the construction of the Great Wall.
A.
正确
B.
错误
【简答题】已知圆心坐标为 ,圆上一点为 ,则该圆的半径为__________
【单选题】已知左转圆曲线ZY点至交点的坐标方位角为αZY-JD,圆曲线上任一点与ZY点的弦长与过ZY点的切线所夹的角为δ,ZY至该点的弦长所对的圆心角为φ;则该ZY点至该点的坐标方位角为( )。
A.
αZY-i=αZY-JD+φ
B.
αZY-i=αZY-JD-φ
C.
αZY-i=αZY-JD+δ
D.
αZY-i=αZY-JD-δ
【简答题】Many people talked of the 288,000 new jobs the Labor Department reported for June, along with the drop in the unemployment take to 6 J percent. at good news. And they were right. For now it appears th...
【简答题】Many people talked of the 288,000 new jobs the Labor Department reporled for Jure, along with the drop in the unemployment take to 6 J percent. at good news. And they were right. For now it appears th...
【简答题】已知⊙O的半径为5，圆心在坐标原点，位于第二象限的该圆上的一点P的横坐标和纵坐标均为整数．则点P的坐标为______．（写出一个即可）
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