看图填出哺乳动物心脏的结构及与其相连的血管
①、____ ②、____
③、____ ④、____
⑤、____ ⑥、____
⑦、____ ⑧、____
⑨、____ ⑩、____ .
酵母菌、蘑菇等真菌和细菌、放线菌的最主要的区别是( )
根据句意和汉语注释,写出单词的正确形式.____ The government has________________(意识到)the importance of protecting the environment.____ He was ten minutes late for the _________________(大型会议) last Friday.____ The charity show had lots of support from local ________________ (企业).____ Usually the capital city is the _________________ (文化) centre of that country.____ If you answer a question _______________ (错误), you will lose a point .
研究人员在实验时,向小鼠的体内注射了大量的胰岛素,发现小鼠出现四肢乏力,接着昏厥,请问,想要让小鼠恢复正常,必须向小鼠注射