【正文】
n help 可少,而且有其他用途。 答案: Not only; but; also 2. ________________________ available, many people __________________ sickness or even small wounds. 如果沒(méi)有青霉素,很多人會(huì)死于疾病,甚至是很小的傷口。 答案: If penicillin had not been; would have died from 溫馨提示: 鞏固學(xué)習(xí)效果,檢驗(yàn)教學(xué)成果。請(qǐng)進(jìn)入 “ 課時(shí)訓(xùn)練 4” , 指導(dǎo)學(xué)生每課一練,成功提升成績(jī)。