—Last night I worked until 1 o'clock. And ____ made me sick. The boss asked me to have a rest.
下列成语与淝水之战有关的有（ ）
①揭竿而起 ②风声鹌唳 ③破釜沉舟 ④草木皆兵 ⑤斩术为兵
⑥纸上谈兵 ⑦问鼎中原 ⑧退避三舍 ⑨投鞭断流
的两根，求sin3θ+cos3θ及 
的值．