【正文】 on16．When autumn es, the ________ will turn yellow, and fall from the tree.A．mountains B．leaves C．birds D．plants17．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．information18．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．population19．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．— How do you like Jianye Library?— Wonderful! I’m especially satisfied with the high ________ of its service.A．cost B．value C．standard D．price21．—Have you heard of a new technology about TV?—Yes. It’s “8K TV”. I believe that it will make a great ________ to people’s life.A．surprise B．progress C．difference D．choice22．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．—Do you know a Chinese called ChenGao?—Exactly, his ________ makes the whole world shocked and he bees the youngest PHD supervisor（博導(dǎo)）in Math area.A．a(chǎn)dvantage B．progress C．a(chǎn)chievement D．a(chǎn)ttention26．Uygur (維吾爾族) dance has a strong ________ of rhythm, sometimes fast while sometimes slow.A．sense B．service C．spirit D．secret27．I think some famous stars should pay more attention to their behavior because what they do can have a great ________上面說李先生明天要來看你。advice建議；lesson課程；paper紙；message信息，留言。故選D?？疾樾稳菰~。 alive活著的，活潑的，形容詞，一般作后置定語。本句story是名詞，前面可用形容詞修飾，a是不定冠詞，后接單數(shù)名詞。life指生活，是不可數(shù)名詞。3．B解析：B【詳解】句意：——山姆的勇氣值得稱贊，但獨自從河里救人太危險了。作為青少年，我們最好向成年人尋求幫助。humour幽默；courage勇氣；wisdom智慧；purpose目的。故選B。告訴我們成功來自良好的團(tuán)隊合作。題干中“One tree can’t make a forest”意為獨木不成林，強調(diào)團(tuán)隊合作的重要性。5．A解析：A【詳解】句意：3月20日，四川廣漢三星堆遺址吸引了全世界的注意力。attention注意力；condition條件；instruction指令；production產(chǎn)品。6．D解析：D【詳解】句意：——你知道大衛(wèi)上個月為什么去倫敦嗎?——他去那兒的目的是找一份更好的工程師工作。根據(jù)“finding a better job as an engineer”，可知應(yīng)該是目的，the purpose of…“……的目的”，故選D。它們是支付寶，高速列車，共享單車和網(wǎng)上購物。inventions發(fā)明；introductions介紹；attractions吸引；traditions傳統(tǒng)。8．C解析：C【詳解】句意：彼得對讀有關(guān)動植物的書很感興趣。考查名詞詞義辨析。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。考查名詞辨析。根據(jù)“The new highspeed railway connecti