【正文】 ruce. He doesn’t even know the neighbor’s name.A．stranger B．volunteer C．trainer D．teacher13．—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．decision14．I39。m sure Cindy will make it to the hotel. She has a good ________ of directions.A．idea B．feeling C．experience D．sense15．Yuan Longping is considered to have made a great _________ to the development of agriculture.A．progress B．invention C．introduction D．contribution16．When autumn es, the ________ will turn yellow, and fall from the tree.A．mountains B．leaves C．birds D．plants17．—I39。ll find it of great __________ in helping you.A．price B．cost C．interest D．value18．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．— 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．attention20．People in many foreign countries have parties on Chinese New Year’s Eve now. It means a growing ________ in Chinese culture around the world.A．direction B．habit C．dream D．interest21．The filmmakers should pay more attention to improving the ________ of a film than making more money.A．quality B．position C．charity D．personality22．Kids under the age of ten can’t make good_______. They are not sure which is better for them.A．choices B．progress C．efforts D．mistakes23．—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．—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．My sister has no sense of ________. She always gets lost in the city streets.A．shame B．duty C．direction D．humour27．—Do you know a Chinese called ChenGao?—Exactly, his ________ makes the whole world shocked and he bees the youngest PHD supervisor（博導）in Math area.A．advantage B．progress C．achievement D．attention28．All the ________ was for nothing because the visit was cancelled. Put it away now.A．pollution B．connection C．suggestion D．preparation29．—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．balance30．Recently, he seemed to be not