【正文】 6．D【詳解】句意：——事情進(jìn)展如何？ ——我不知道。由this April可知，本句為一般過去時；分析句意可知，“最后一支醫(yī)療隊”和“給予熱烈歡迎解析：B【詳解】句意：今年4月，最后一支醫(yī)療隊從武漢返回南京時受到了熱烈歡迎。根據(jù)句意和常識可知，青霉素是被弗萊明發(fā)現(xiàn)的，此處填寫“發(fā)現(xiàn)”的含義。invented動詞，發(fā)明；discovere解析：B【詳解】句意：青霉素最早是在二十世紀(jì)初被弗萊明發(fā)現(xiàn)的。因此，故選A。因此，故選A解析：A【詳解】句意：——對不起，媽媽。3．A【詳解】句意：——對不起，媽媽?？疾閯釉~用法。觀察句子，這里表達(dá)的是過去的事，應(yīng)該用過去式，并且主語it指代電影“泰坦尼克號”與謂語動詞show應(yīng)該是被動關(guān)系，故選B。an Flyover(高架) _________. Now it brings much convenience to people.A．finished B．finishes C．is finishing D．was finished25．—Henry, did you drive back to your hometown during the May Day holiday?— No. I was ________ to take the train because the traffic is often the busiest on the highway.A．praised B．taught C．prevented D．a(chǎn)dvised26．It is reported that a total of 71,000 5G base stations ________ in Jiangsu Province in 2020.A．build B．built C．were built D．have built27．Some free health service_________for the elderly in the near future.A．provides B．is providedC．will provide D．will be provided28．The 2022 Winter Olympics ________ in Beijing.A．hold B．a(chǎn)re holding C．will hold D．will be held29．In Switzerland, things like glass and plastic ______ into different groups and then recycled.A．separate B．separated C．a(chǎn)re separated D．is separated30．—Great news! Zhurong has landed on Mars successfully.—It ________ into space by Long March 5 rocket on July 23, 2020.A．is sent B．was sent C．sent D．was sending31．—It’s so cold! Why not close the window?—Sorry. It________. I’ll have it________.A．won’t be shut , repaired B．won’t shut , repairingC．haven’t shut , repairing D．isn’t shutting , repairing32．Last year, five Chinese teachers ________ to a school in the UK to teach the British students in Chinese styles for four weeks.A．were sent B．sent C．have sent D．have been sent33．It’s reported that the Tokyo Olympic Games ________ from July 23 to August 8 this year.A．would hold B．have held C．will be held D．were held34．— I hope to travel in space one day.— That’s not just a dream. It’s reported the first space hotel in the near future.A．builds B．is built C．will build D．will be built35．When he went abroad for further study, his parents and children _______ by his wife.A．a(chǎn)re well taken care of B．took good care ofC．were taken good care D．were taken good care of36．—A meeting ________ in our munity to show people how to sort their garbage this weekend. —That’s great. Let’s go to the meeting together.A．will hold B．will be held C．hold D．is held37．—Aunt Li, who is the lovely boy in red in the picture?—It’s my son. The picture ________ 10 years ago.A．took B．is taken C．has taken D．was taken38．On Jack39。 Technology Festival.A．is decorated B．will decorate C．is decorating D．will be decorated11．—Do you have any problems if you _________ this job?—Well, I39。s Science amp。t finished it yet. But he ________ back at the pany tomorrow.A．will expect B．expected C．was expected D．is expected16．It is amazing to the whole world that Huoshenshan Hospital and Leishenshan Hospital ________ in 10 days.A．pleted B．were pleted C．will plete D．will be pleted17．Last March, thousands of trees ______ along the street to make our city more beautiful.A．were planted B．were planting C．would plant D．planted18．A display of music and fireworks ______at the 3rd Yangzhou International Lighting Festival on July 20, 2018.A．was held B．were held C．has held D．will be held19．—My father works in Pukou . He spends much time driving home every day.—Don’t worry about that. It’ll be easier when the bridge ________.A．repairs B．will repair C．is repaired D．will be repaired20．— Why have I never seen this kind of 5G mobile phone?— Because it ___________ by Huawei last week.A．was produced B．would produce C．h