唐代取士，  ①  看考试成绩，  ②  有达官显贵或文坛名人的推荐。  ③  ，考生纷纷奔走于公卿门下，向他们投献自己的代表作，这叫投卷。向礼部投的叫公卷，向达官贵人投的叫行卷。投卷  ④  能使有才能的人显露头角，如诗人白居易向顾况投诗《赋得古原草送别》，受到老诗人的极力称赞，  ⑤  弄虚作假、欺世盗名的  ⑥  不乏其人。

    Yesterday was ____.In the morning, it was rainy, so I didn't____out. I studied ____ and cleaned my bedroom. Then I used my computer and played games. In the afternoon, it was____.I visited my good friend Lisa. We____some tasty food. Then we read some____.We____a good time together.

①配制培养基  ②恒温培养   ③高温灭菌、冷却   ④接种．