1、Unit Adversity and CourageGrammar-现在完成进行时一、单项选择1Have you seen Professor Smith?He _in the lab since yesterday. He doesnt allow anyone to interrupt him.Ahas been workingBworkedChas been workedDwas working2Amy _ about finding a new job for a whole year, but she hasnt made her final decision yet.AThough
2、t Bhas thought Chad thought Dhas been thinking3Lucy _ guitar lessons every three weeks in the past three years, but now she is considering shell make it every other week.Ais havingBhad hadChadDhas been having4Tom looks tired because he _ the house since 9 am.Ahas been cleaningBcleanedChas been clean
3、edDcleans5I have to see the doctor because I _ a lot lately.ACoughs BCoughed Chad coughedDhave been coughing6Nancy doesnt look very well. Whats wrong with her?She has a terrible headache because she _ for a whole day. She should stop to have a good rest.AWorked Bhad worked CworksDhas been working7Yo
4、u sent us an email informing us your date of arrival and we _ your visit ever since.AexpectedBare expectingChave been expectingDhad expected8 You are a great swimmer. Thanks. Its because I _ a lot these days.Awas practisingBhave been practisingChad practisedDwould practise9A recent study has found t
5、hat the number of smokers _ sharply over the past five years.Ais increasingBare increasingChas been increasingDhave been increasing10 We_ to make our environment more beautiful since the time humankind started gardening.ATry Bare tryingChave been tryingDwill try 11Bruce _ in the office every night o
6、ver the last two weeks.AWorks BWorked Chas been working Dhad been working12Today I _ a crocodile swimming close to our boat, the Kimberley Quest, all day.Aam photographingBhave photographedChave been photographingDwill photograph13Since arriving in space, the WISE telescope_ the Earth, held by gravi
7、ty in a polar orbit（this means it crosses close to the north and south poles with each lap（一圈）.Ahas circledBhad been circlingChad circledDhas been circling14- Where is Jack? I cannot find him anywhere.- He went to the library after lunch and _ his essay there ever since.Ahas been writtenBhad written
8、Chad been writingDhas been writing15Excuse me, which movie are you waiting for?The new Star Wars. We _ here for more than two hours.AwaitedBhave been waitingCwould be waitingDare waiting16With the advancement of Chinas modernization, lives of people living in the west of the country _ tremendous cha
9、nges over the past few years.Ahave been undergoingBunderwentCare undergoingDundergo17 A new monetary policy will take effect next month. Really good news, especially for those companies that _ with money.Ahave struggledBstruggledChave been strugglingDhad struggled18How much do you know about the tra
10、de war between China and America?Well, the newspapers _ it in the past few weeks.AreportBwill reportCreportedDhave been reporting19Because society _ so rapidly during the last few years, the gap between the generations has become larger.AchangedBhad changedChas been changingDwas changed20In addition
11、 to filling stomachs of his family, he _himself to improving the quality of the homeless peoples life for years,Ahas been devotingBwould devoteCis devotingDdevotes二、用单词的适当形式完成句子21All that _(talk) about right now should not be let out.22The number of foreign students attending Chinese universities _(
12、rise) since 1997. 23She _(consider) furthering her studies, but she hasnt decided. 24Thanks to about 20 technology companies, brightly colored shared bikes _ (flood) into Beijing in the last two years. 25They _ (fight) for independence since 1960s. 26They_(discuss) the problem without interruption f
13、or about two hours. 27It _ (snow) for three hours and it hasnt stopped yet. 28This cold and calculating man _ (leave) no stone unturned to make money all through his life and he is still struggling now though he is already in his seventies. 29He _(work) there since he left the army. 30Her husband di
14、ed because of smoking last month and she _(ban) her son from smoking ever since.31You _ (write) your homework. Please have a rest. 32It _ (rain) for three days and it doesnt seem to stop. 33Why do you want to work for our company?This is the job that I _ (look) for since my graduation. 34Im tired ou
15、t. I _ (shop) all afternoon and I dont seem to have finished anything. (35Nothing serious happened today, but the noise _ (disturb) my mind.36These are the stamps that I _ (restore) for my personal collection.37Medical experts _ (identify) the source of this virus in the past two years.38An abnormal
16、 virus called 2019-nCoV has arisen suddenly and _ (spread) in some countries at a fast pace.39Some people have contracted this disease, which _ (affect) peoples health.40Since the flu broke out, these physicians, surgeons and chemists _ (specialize) in vaccines.三、完成句子41我等了一个小时了，但是她还没来。I _ _ _ _ _ _,
17、 but she hasnt come yet.42约翰一直全身心地投入工作以排解悲痛。John _ _ _ _ _ his work to deal with his grief.43他从上午十点开始打羽毛球，丝毫不愿停下来。_ since 10 a.m., but doesnt want to stop at all.44They _ new ways to reduce the cost. 他们一直在考虑能够降低成本的新方法。45我们已经学了八年多的英语了。We _ _ _ English for more than 8 years.46三天了， 一直在不停的下雨。It_non-stop
18、 for three days.47His grandparents _ since they retired. 他的祖父母自从退休后过着简朴的生活。48我们一直期待着能进入重点大学。_to the key universities.49What happened to you? _ you _？发生了什么？你一直在哭泣？50Jack_ tai chi for more than a year.杰克练习太极一年多了。参考答案：1A2D3D4A5D6D7C8B9C10C11C12C13D14D15B16A17C18D19C20A21is being talked22has been rising
19、23has been considering24have flooded/have been flooding25have been fighting26have been discussing27has been snowing28has been leaving29has worked/has been working30has banned/has been banning31have been writing32has been raining33have been looking34have been shopping35has been disturbing36have been
20、restoring37have been identifying38has been spreading39has been affecting40have been specializing41 have been waiting for an hour42 has been throwing himself into43He has been playing badminton44have been considering45 have been learning46has been raining47have been living a simple life48We have been looking forward to being admitted49 Have been crying50has been practicing10学科网（北京）股份有限公司
