【正文】 ght now that makes a difference.A．decisions B．directions C．sides D．steps13．I39。m sure Cindy will make it to the hotel. She has a good ________ of directions.A．idea B．feeling C．experience D．sense14．When autumn es, the ________ will turn yellow, and fall from the tree.A．mountains B．leaves C．birds D．plants15．—I39。ll find it of great __________ in helping you.A．price B．cost C．interest D．value16．—The air is very fresh in our city. There is less _______ than before.—Yes. The government has taken action to protect the environment.A．wood B．pollution C．noise D．water17．—I didn’t have the to go out alone at night when I was a little child.—So did I. But now I’m brave enough.A．courage B．power C．a(chǎn)bility D．chance18．–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．information19．The ____of antibiotics(抗生素) in the 20th century has made a great difference to us.A．invention B．instruction C．method D．discovery20．Because of the growing needs of market, the ________ of blind boxes will quickly rise.A．pollution B．production C．pronunciation D．population21．We should follow our teachers’________ about how to achieve a balance between our study and hobbies.A．decision B．a(chǎn)ttention C．suggestion D．introduction22．This is a ________ of our city. Look! Our school is here.A．map B．music C．name D．team23．—I really admire these scientists in different fields in our country.—I agree. They have made a great ________ to our country, even to the world.A．celebration B．conversation C．contribution D．introduction24．One person’s ________ doesn’t depend on how much money he has made, but on how many contributions he has made to our country.A．experience B．value C．wealth D．career25．—I have great ________ in learning Chemistry and I am so worried. Could you help me?—Sure. I would be glad to.A．interest B．trouble C．fun D．joy26．— Could you tell me more about Chinese ________, Mr. Li?— Sure. For example, we usually eat rice dumplings on the Dragon Boat Festival.A．customs B．services C．symbols D．holidays27．I was attracted by the lady’s warm smile. It was really like a hidden ________ .A．pleasure B．treasure C．a(chǎn)ttention D．invention28．My sister has no sense of ________. She always gets lost in the city streets.A．shame B．duty C．direction D．humour29．—Do you know the four new great ________of China?—Yes. They are Alipay, highspeed trains, shared bikes and online shopping.A．inventions B．introductions C．a(chǎn)ttractions D．traditions30．My puter caught a ________ the other day and all the information went missing.A．virus B．disease C．problem D．troub