A:A guide dog.
B:The sun.
C:A map.
一套西服,上衣840元,裤子210元,裤子的价钱是上衣的____%,上衣的价钱是这套西服的____%.
She dressed down to visit her poor relatives, ________ offend them by a show of her wealth.
如图为蝗虫的发育过程图,请据图填空: