【正文】 ．knowledge3．—Why did the artist make no ________ to be understood or liked?—He didn’t care what others think of him.A．risk B．effort C．suggestion D．balance4．—Sam’s ________ is worth praising, but saving someone from the river alone is too dangerous.—Yes. As teenagers, we had better ask adults for help.A．humour B．courage C．wisdom D．purpose5．—Do you know why David went to London last month?—He went there with the ________ of finding a better job as an engineer.A．experience B．condition C．knowledge D．purpose6．—Finding information is not a big deal today.—Yes. The ________ is how to tell whether the information is true or not.A．a(chǎn)dvantage B．message C．challenge D．knowledge7．— How do you like Jianye Library?— Wonderful! I’m especially satisfied with the high ________ of its service.A．cost B．value C．standard D．price8．A ________ is a person who is travelling or visiting a place.A．stranger B．tourist C．guide D．customer9．—Wow, you play the violin so well!—Thank you, but that’s the only musical ________ I can play.A．instruction B．instrument C．introduction D．invention10．—Do you feel like moving to Mars?—Sure. I’m in no ________ that life on Mars would be interesting.A．doubt B．hurry C．way D．a(chǎn)greement11．Mr. Zhang is an excellent Chinese teacher. He has over 20 years’ teaching ________.A．experience B．progress C．information D．knowledge12．Mr. Li always has his own special ________ to make his lessons lively.A．surveys B．instructions C．works D．methods13．When autumn es, the ________ will turn yellow, and fall from the tree.A．mountains B．leaves C．birds D．plants14．—The sweater is not the right ________ for me.—Well, shall I get you a bigger one or a smaller one?A．price B．color C．size D．material(材料)15．Yancheng Nature Reserve covers an ______ of over 45,000 square kilometers. It is one of the world’s most important wetlands.A．a(chǎn)rea B．object C．space D．population16．Wu Wei, a young artist, has received high_________ from the art munity for this sculpturesA．pride B．praise C．promise D．progress17．–Could you give me a few ______ on how to spend the ing summer holiday?OK. Let me see.A．hobbies B．knowledge C．suggestions D．information18．The ____of antibiotics(抗生素) in the 20th century has made a great difference to us.A．invention B．instruction C．method D．discovery19．The visitor told a very ______story about what he did for a ______in Africa.A．lively；living B．lively；life C．living；living D．a(chǎn)live； live20．Because plenty of _______ were found, Sanxingdui Ruins was named the Scientific Education