— What's the matter with you?
— My head hurts.
A:the things
B:wrong
C:mistake
D:fault
在平面直角坐标系xOy中,曲线C1: {x=1−22ty=2+22t (t为参数).在以O为极点,Ox为极轴的极坐标系中,曲线C2:sinθ﹣ρcos2θ=0.若曲线C1和曲线C2相交于A,B两点.
(Ⅰ)求曲线C2的直角坐标方程;
(Ⅱ)求点M(﹣1,2)到A,B两点的距离之积.
诞____
矫____
残____
延____
轿____
钱____
Where are the books _______ animals? ( )
根据下列句子及所给汉语注释,在答题卡上标有题号的横线上,写出空缺处各单词的正确形式.每空只写一词.