【正文】 ise B．spirit C．silence D．service12．—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．water13．For the time being we can collect much ________ either from books or on the Internet.A．idea B．method C．information D．suggestion14．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．population15．—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．chance16．–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．information17．The ____of antibiotics(抗生素) in the 20th century has made a great difference to us.A．invention B．instruction C．method D．discovery18．— Did Lucy dress herself beautifully at her birthday party?— Yeah, of course. Her white dress caught everyone’s ______.A．celebration B．organization C．introduction D．a(chǎn)ttention19．—Could you take out the rubbish and do the dishes，Tony？—Sure，Mom will be mad if she sees this _________，I think．A．matter B．messC．trouble D．difficulty20．—Do you think Mary has made a wrong ________?—No, I don’t think so. It’s good for her to live alone.A．experience B．experiment C．difference D．decision21．— I hear that you have bought a smart car. Does the car give you any good ________ for your money?— Certainly.A．value B．price C．wealth D．cost22．Because of the outbreak of Corona virus, people all over the world are keeping a close eye on medical ________ of Chinese medicine, like Lianhuaqingwen Capsule (膠囊).A．value B．price C．cost D．wealth23．With the development of the service industry, the working ________ is increasing and more jobs should be offered.A．invention B．pronunciation C．introduction D．population24．—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．joy25．— 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．holidays26．— Can you describe what Mr. Green’s daughter is like?— Oh, she has the very ______ of Mr. Green. I’m sure you can know her at the first sight.A．photo B．voice C．look D．taste27．My sister has no sense of ________. She always gets lost in the city streets.A．shame B．duty C．direction D．humour28．Uygur (維吾爾族) dance has a strong ________ of rh