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1、Unit 4Section .单句语法填空1Excuse me, what time is it now?Sorry, my watch doesnt work. It_(repair) at the shop.答案：is being repaired考查时态和语态。根据第一句中的now可知，问的是此刻的情形，故手表正在店里被修，用现在进行时的被动态，相当于be undern.。2Are they about to have dinner?Yes, it_(serve) in the dining room.答案：is being served由语境可知餐厅此刻正在供应早餐，即早餐正在被供应，
2、所以应用现在进行时的被动语态。3Cant you see your problem_discussion? Have some patience, please.答案：under根据have some patience可知问题没有讨论完，且根据语境，动作是目前正在进行的，故用现在进行时的被动语态，相当于be undern.。4You cant use the machine today because some parts_(replace) this week.答案：are being replaced句意：你今天不能使用这台机器，因为本周一些零件正在被置换。parts与replace之间为
3、被动关系且动作是本周这一阶段正在进行的动作。5Why have you come to work on foot today?Well, my bike_(repair) and I hate taking a crowded bus.答案：is being repairedis being repaired说明自行车正在被修，所以今天步行上班。6Would you please give him this message the moment he_(arrive)?答案：arrivesthe moment he arrives用一般现在时表示将来，意为“他一到达就”。arrive为不及物动
4、词，没有被动语态。7My sister wants to work in a tall building which is still_(build)答案：being built根据still可知大楼正在建设中，故用现在进行时的被动语态。8Do you know what Lily is doing?She may_(interview) in the office.答案：be being interviewed根据问句可知动作正在进行，她现在正在被采访。9It is said that pandas_(disappear) in our country year after year.答案：
5、are disappearingdisappear是不及物动词，不能用在被动结构中，根据year after year可知是目前存在的状况。10By the way, have you moved into the new house?Not yet. The walls_(paint)答案：are being painted句意：顺便问一下，你搬到新房子里去了吗？还没有。(新房的)墙正在被粉刷。由语境可知应用现在进行时的被动语态。11(2010上海改编)The church tower which _(restore) will be open to tourists soon. The w
6、ork is almost finished.答案：is being restored根据语境will be open to tourists soon可知，the church tower是“正在被整修”，因此用现在进行时的被动语态。12Now new technology _(use) to clear the polluted river.答案：is being used句意：现在，新科技被用来清理那条被污染的河。be in usebe being used，强调正在被用。13A plan about building a new attraction in this town _(ca
7、rry) out now.答案：is being carried句意：在这个镇建一个新的旅游景点的计划现在正在被执行。由句中时间状语now可知，应选用现在进行时；由plan与动词词组carry out之间的关系可知，此处用被动语态。14. The new generation of computers, with artificial(人工的) intelligence, _(develop) and perfected now.答案：are being developed句意：新一代带有人工智能的计算机现在正在被开发和完善。根据now可知，应该用现在进行时，又因computers与devel
8、op和perfect之间为动宾关系，故用现在进行时的被动语态。15(2014兰州高一检测)Flight 221_(announce). Id better be on my way. Goodbye!Bye. Happy landing!答案：is being announced句意：正在播报221次航班的信息。我要走了。再见！再见！祝一切顺利！根据语境可知，此处表示此刻正在被进行的动作。.完成句子1Lets go to have breakfast. It _ in the hall.(serve)我们去吃早餐吧。在大堂里正供应早餐。2Since the roof _， they haven
9、t moved back to their house. (repair)因为屋顶正在修理中，他们还没有搬回他们家。3If the rainforests _ at such a rapid speed, they will disappear from the earth in the future.(destroy)如果雨林以这样快的速度被破坏，将来它们将会从地球上消失。4We havent got our papers back，for they _.(check)我们还没有拿回试卷，因为它们还在被批改中。5Although the practical cure for cancer _
10、， we have practical ways to prevent it. (study)尽管治疗癌症的切实可行的方法仍在研究中，但是我们还是拥有实际可用的预防方法的。6Dont interrupt. The policeman _ the suspect.(question)不要插嘴。警察正在审问嫌疑犯。7Dont get too close to the scene of the car accident which _now. (examine)不要太靠近车祸现场，现在正在检查现场。8Since the plan _， the workers will have to wait fo
11、r a while. (discussion)既然这项计划仍在讨论中，工人们只好再等一段时间。答案：1.is being served2.is being repaired/is under repair3are being destroyed4.are being checked5.is still being studied6.is questioning7.is being examined8.is still under discussion.阅读理解AWildlife faces threats(威胁)from habitat destruction, pollution, and
12、other human actions. Although protecting wildlife may seem too hard at times, even small actions in your own neighborhood can help protect many different animals. Here are some tips on how to protect wildlife through small actions.1Create wildlife friendly areas in your backyard.When trying to make
13、your garden more beautiful, you can choose plants that can provide food and shelter to native wildlife. This will also help cut down on pollution. Add bird or bat houses to your yard or garden to attract and shelter these species.2Avoid harming the natural ecosystem(生态系统)in your area.Some plants fro
14、m other places can kill or harm native plants that provide food and shelter for wildlife.3_By using less water and fewer fuels, you will be helping to protect the wildlife around you. Take buses or the subway when you can, turn off electric devices when youre not using them, take shorter showers, an
15、d keep your room temperature at or below 68 degrees during the winter.4Buy products that are wildlife friendly.Dont buy products that are made from endangered animals. Keep in mind that some endangered animals are killed by traps, catches or hunters who are after other wildlife within the same habitat.5Donate money or time to
