【正文】 to do sth.?？疾槊~辨析。根據(jù)“I can’t afford to let the situation get worse”可知，要采取措施來(lái)改變現(xiàn)狀，take steps表示“采取措施”，故選D?？疾槊~辨析?！彝耆?。10．D解析：D【詳解】句意：——Timmy，我無(wú)法承擔(dān)讓情況變得更糟。根據(jù)“saving someone from the river”可知，山姆從河里救人，說(shuō)明他很有勇氣?？疾槊~辨析?！堑?。故選A。doubt疑問(wèn)；hurry匆忙；way方法；agreement協(xié)議。我確信火星上的生活將會(huì)很有趣。故選D。advice建議；lesson課程；paper紙；message信息，留言。上面說(shuō)李先生明天要來(lái)看你。故選B。stranger陌生人；tourist游客；guide導(dǎo)游；customer消費(fèi)者。6．B解析：B【詳解】句意：游客是指正在旅行或參觀某個(gè)地方的人。have a knowledge of意為“了解”。courage勇氣；energy能量；knowledge知識(shí)；experience經(jīng)歷。他對(duì)動(dòng)物、鳥(niǎo)類(lèi)和花卉都很了解。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。4．D解析：D【詳解】句意：——你知道大衛(wèi)上個(gè)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。attention注意力；condition條件；instruction指令；production產(chǎn)品。3．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。life指生活，是不可數(shù)名詞。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。 alive活著的，活潑的，形容詞，一般作后置定語(yǔ)?？疾樾稳菰~。根據(jù)“It’s good for her to live alone.”可知，此處指“做決定”，make a decision，故選D。考查名詞辨析。on teenagers.A．change B．impression C．progress D．influence22．—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．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．wealth24．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．With the development of the service industry, the working ________ is increasing and more jobs should be offered.A．invention B．pronunciation C．introduction D．population26．—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．joy27．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．—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)ttention29．— Could you explain the saying “One tree can’t make a forest.” to me, please?— OK. It tells us that success es from good .A．a(chǎn)bility B．personality C．confidence D．teamwork30．The number of the people who use Huawei ________ is getting larger and larger.A．products B．customers C．cultures D．histories31．—Why are you so crazy about travelling, Wu Dong?—Travelling can offer us real________of languages, customs and cultures.A．a(chǎn)ttraction B．background C．difference D．experience32．My puter caught a ________ the other day and all the information went m