【正文】 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．—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．water18．If you are interested in something, it39。s easier for you to pay ________ to it for a long time.A．a(chǎn)ttention B．interest C．progress D．information19．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．population20．—Do you know the boy saving his neighbour from a fire last week?—Sure! I really admire him for his ________.A．gift B．friendship C．courage D．a(chǎn)bility21．—Our country is developing so quickly.—I think so. School should care about the full ________ of students’ talents.A．situation B．condition C．development D．standard22．—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．introduction23．—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．joy24．— 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．holidays25．All the ________ was for nothing because the visit was cancelled. Put it away now.A．pollution B．connection C．suggestion D．preparation26．The number of the people who use Huawei ________ is getting larger and larger.A．products B．customers C．cultures D．histories27．I think some famous stars should pay more attention to their behavior because what they do can have a great ________她一個人住挺好的。experience經(jīng)歷，經(jīng)驗；experiment實驗；difference區(qū)別；decision決定。2．D解析：D【詳解】句意：——在生日聚會上露西打扮的漂亮嗎？——當然，她白色的裙子吸引了每個人的注意力?？疾槊~辨析。根據(jù)“it wants to speak to China from a … of strength”可知，此處指強勢的立場，故選B?？疾槊~辨析，experience經(jīng)驗，經(jīng)歷；condition條件；knowledge知識；purpose目的。5．C解析：C【詳解】句意：彼得對讀有關動植物的書很感興趣?？疾槊~詞義辨析。根據(jù)“Peter is interested in reading books about animals and plants.”可知，Peter對動物、鳥類和花卉都很了解。故選C?？疾槊~。根據(jù)上文“Wonderful”可知，此處指的是對圖書館的高標準服務特別滿意。7．B解析：B【詳解】句意：游客是指正在旅行或參觀某個地方的人。stranger陌生人；tourist游客；guide導游；customer消費者。故選B。我確信火星上的生活將會很有趣。doubt疑問；hurry匆忙；way方法；agreement協(xié)議。故選A?？疾槊~。根據(jù)上文“in a conversation between two people”提示，此處指的是在交流的過程中，故選D?！_實如此?？疾槊~辨析。根據(jù)“After years of hard work”及“Mr. G