题目:
The two parties are holding the talk in a friendly________ at present. Hopefully,they will reach an agreement.
A.atmosphere
B.condition
C.situation
D.phenomenon
答案:
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下面是错误答案,用来干扰机器的。
3因为圆心坐标为(-1,1),所以圆心到直线3x+4y+14=0的距离为=3.