— Is Sally thin or heavy?
— ________. She's of medium build.
A:Yes, she's thin
B:No, she's heavy
C:She's thin
D:She isn't thin or heavy
分解因式:1﹣x2=____.
下列说法中,错误的是()
“江山如此多娇,引无数英雄竞折腰。惜秦皇汉武,略输文采;唐宗宋祖,稍逊风骚。一代天骄,成吉思汗,只识弯弓射大雕。”诗中属于开国君主的是( )
①秦皇 ②汉武
③唐宗 ④宋祖