季风是一种____ 随季节发生明显变化的风。中国____ 广大地区,每年____ 季盛行从____ 和____ 吹来的偏南风;____ 季盛行从____ 和____ 一带吹来的偏北风。
He was________a gold cup for his excellent performance as a reward.
(Ⅰ)求曲线C的极坐标方程;
(Ⅱ)已知直线l1: 2ρsin(θ+π3)−3=0 ,射线 l2:θ=π3(ρ>0) 与曲线C的交点为P,l2与直线l1的交点为Q,求线段PQ的长.
Our teachers think Jim the best student. The sentence structure is _______