A．in surprise B．on purpose

　　C．by chance D．by mistake

　　3．One Italian scientist invented a rocket which ．

　　A．could fly into the sky

　　B．could hit the enemy's horse

　　C．could fly over the surface of water

　　D．could clear the cloud in the air

　　4．What's the topic of the text?

　　A．The dangers of rockets.

　　B．The development of rockets.

　　C．The advantages of rockets.

　　D．The invention of rockets.

　　【答案】　1－4　CCCB

　　 be known for(＝be famous for)因......而出名

　　(教材P36)What is Einstein known for?

　　爱因斯坦因何而出名？

　　①Guilin is known for her beautiful mountains and rivers.

　　桂林因其美丽的山水而闻名。

　　be known/famous as 作为......而出名

　　be known to sb.　 被......所知/熟知

　　②Ronaldo is known as a talented football player.

　　罗纳尔多作为天才足球运动员而闻名。

　　③He is known to the police because of his previous criminal record.

　　他因以前的犯罪记录而为警察所知。

brief adj.简短的；简洁的 n．摘要；大纲