在直角坐标系xOy中,曲线C1的参数方程为,以坐标原点为极点,以x轴的正半轴为极轴,建立极坐标系,曲线C2的极坐标方程为ρsin(+θπ4)=2√2.
Nobodyintheclassagreeswithyou,________________?
ltisoursincerehopethatyouwilldirectyourefforts__thepromotionofthisnewproductinyourmarket__ourmutualbenefit.
It_______fortwohoursnow
Itissurprisingthatthisinnocent-lookinggirl________________(commit)suchacrime.
WepreferChinesebicycles __Japanesebicycles ___theirfinequality.