—Tom, here are some story books. Which one would you like ______? — The old man and sea. I think it’s so interesting! A. to want B. to choose C. read D. choose 答案:B
下列实验现象的描述正确的是( ) A.木碳在氧气中燃烧产生明亮的黄色火焰 B.磷在氧气中燃烧产生大量的白雾 C.硫在氧气中燃烧发出蓝紫色火焰,生成带刺激性气味的气体 D.铁在氧气中燃烧发出白光,火星四射。生成四氧化三铁。