2021年2021年2017年12月英语四级真题及答案(卷一).pdf

《2021年2021年2017年12月英语四级真题及答案(卷一).pdf》由会员分享，可在线阅读，更多相关《2021年2021年2017年12月英语四级真题及答案(卷一).pdf（16页珍藏版）》请在得力文库 - 分享文档赚钱的网站上搜索。

1、1 2017 年 12 月英语四级及答案（卷一）Part I Writing(25 minutes)Directions:For this part,you are allowed 30 minutes to write a short easy on how to besthandle the relationship between doctors and patients.You should write at least120 words but no more than 180 words.Part II Listening Comprehension(25 minutes)Sect

2、ion A Directions:In this section,you will hear three news reports.At the end of each news report,you will hear two or three questions.Both the news report and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C)and D).

3、Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 1 and 2 are based on the news report you have just heard.1.A)Her friend Erika.C)Her grandfather.B)Her little brother.D)Her grandmother.2.A)By taking pictures for passers-by.C)By selling lemonade and

4、pictures.B)By working part time at a hospital.D)By asking for help on social media.Questions 3 and 4 are based on the news report you have just heard.3.A)Finding cheaper ways of highway construction.B)Generating electric power for passing vehicles.C)Providing clean energy to five million people.D)Te

5、sting the efficiency of the new solar panel.4.A)They can stand the wear and tear of natural elements.B)They can be laid right on top of existing highways.C)They are only about half an inch thick.D)They are made from cheap materials.Questions 5 to 7 are based on the news report you have just heard.|精

6、.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 16 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 16 页2 5.A)Endless fighting in the region.C)Inadequate funding for research.B)The hazards from the desert.D)The lack of clues about the species.6.A)To observe the wildlife in the two national

7、 parks.B)To identify the reasons for the lions disappearance.C)To study the habitat of lions in Sudan and Ethiopia.D)To find evidence of the existence of the“lost lions”.7.A)Lions walking.C)Some camping facilities.B)Lions tracks.D)Traps set by local hunters.Section B Directions：In this section,you w

8、ill hear two long conversations.At the end of each conversation,you will hear four questions.Both the conversation and the questions will be spoken only once.After you hear a question,you must choose the best answer from the four choices marked A),B),C),and D).Then mark the corresponding letter on A

9、nswer Sheet 1 with a single line through the centre.Questions 8 to 11 are based on the conversation you have just heard.8.A)Her lucky birthday.C)Her wedding anniversary.B)A call from her dad.D)A special gift from the man.9.A)Gave her a big model plane.C)Took her on a trip overseas.B)Bought her a goo

10、d necklace.D)Threw her a surprise party.10.A)The gift her husband has bought.B)The trip her husband has planned.C)What has been troubling her husband.D)What her husband and the man are up to.11.A)He will be glad to be a guide for the couples holiday trip.B)He will tell the women the secret if her hu

11、sband agrees.C)He is eager to learn how the couple s holiday turns out.D)He wants to find out about the couples holiday plan.Questions 12 to 15 are based on the conversation you have just heard.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 16 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第

12、2 页，共 16 页文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3

13、D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 Z

14、A5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3

15、D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 Z

16、A5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3

17、D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 Z

18、A5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U23 12.A)They are sensitive to the dynamics of a negotiation.B)They see the importance of making compromises.C)They know when to adopt a tough attitude.D)They take the riva

19、ls attitude into account.13.A)They know how to adapt.C)They know when to make compromises.B)They know when to stop.D)They know how to control their emotion.14.A)They are patient.C)They learn quickly.B)They are good at expression.D)They uphold their principles.15.A)Make clear ones intentions.C)Formul

20、ate ones strategy.B)Clarify items of negotiation.D)Get to know the other side.Section CDirections:In this section,you will hear three passages.At the end of each passage,you will hear three or four questions.Both the passage and the questions will be spoken only once.After you hear a question,you mu

21、st choose the best answer from the four choices marked A),B),C),D).Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.Questions 16 to 18 are based on the passage you have just heard.16.A)When Americas earliest space program started.B)When the International Spa

22、ce Station was built.C)How many space shuttle missions there will be.D)How space research benefits people on Earth.17.A)They accurately calculated the speed of the orbiting shuttles.B)They developed objects for astronauts to use in outer space.C)They tried to meet astronauts specific requirements.D)

23、They tried to make best use of the latest technology.|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 16 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 16 页文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D

24、9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA

25、5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D

26、9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA

27、5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D

28、9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA

29、5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U24 18.A)They

30、 are extremely accurate.C)They were first made in space.B)They are expensive to make.D)They were invented in the 1970s.Questions 19 to 21 are based on the passage you have just heard.19.A)It was when her ancestors came to America.B)People had plenty of land to cultivate then.C)It marked the beginnin

31、g of something new.D)Everything was natural and genuine then.20.A)They believed in working for goals.C)They had all kinds of entertainment.B)They enjoyed living a living a life of ease.D)They were known to be creative.21.A)Chatting with her ancestors.C)Polishing all the silver work.B)Furnishing her

32、country house.D)Doing needlework by the fire.Questions 22 to 25 are based on the passage you have just heard.22.A)Use a map to identify your location.C)Sit down and try to calm yourself.B)Call your family or friends for help.D)Try to follow your footprints back.23.A)You may find a way out without yo

33、ur knowing it.B)You may expose yourself to unexpected dangers.C)You may get drowned in a sudden flood.D)You may end up entering a wonderland.24.A)Look for food.C)Start a fire.B)Wait patiently.D)Walk uphill.25.A)Inform somebody of your plan.C)Check the local weather.B)Prepare enough food and drink.D)

34、Find a map and a compass.Part Reading Comprehension(40 minutes)Section A Directions:In this section,there is a passage with ten blanks.You are required to select one word for each blank from a list of choices given in a word bank following the passage.Read the passage through carefully before making

35、 your choices.Each|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 16 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 16 页文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:C

36、J6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6

37、G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:C

38、J6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6

39、G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:C

40、J6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6

41、G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U25 choice in the bank is identified by a letter

42、.Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre.You may not use any of the words in the bank more than once.A rat or pigeon might not be the obvious choice to tend to someone who is sick,but these creatures have some 26 skills that could he

43、lp the treatment of human diseases.Pigeons are often seen as dirty birds and an urban 27,but they are just the latest in a long line of animals that have been found to have abilities to help humans.Despite having a brain no bigger than the 28 of your index finger,pigeons have a very impressive 29_ m

44、emory.Recently it was shown that they could be trained to be as accurate as humans at detecting breast cancer in images.Rats are often 30 with spreading disease rather than 31 it,but this long-tailed animal is highly 32.Inside a rats nose are up to 1,000 different types of olfactory receptors(嗅觉感受器)

45、,whereas humans only have 100 to 200 types.This gives rats the ability to detect _33 smells.As a result,some rats are being put to work to detect TB(肺结核).When the rats detect the smell,they stop and rub their legs to 34 a sample is infected.Traditionally,a hundred samples would take lab technicians

46、more than two days to 35,but for a rat it takes less than 20 minutes.This rat detection method doesnt rely on specialist equipment.It is also more accurate the rats are able to find more TB infections and,therefore,save more lives.Section B Directions:In this section,you are going to read a passage

47、with ten statements attached to it.Each statement contains information given in one of the paragraphs.Identify the paragraph from which the information is derived.You may choose a paragraph more than once.Each paragraph is marked with a letter.Answer the questions by marking the corresponding letter

48、 on Answer Sheet 2.Do In-Class Exams Make Students Study Harder?A）Associated I）Slight B）Examine J）Specify C）Indicate K）Superior D）Nuisance L）Suspicious E）Peak M）Tip F）Preventing N）Treated G）Prohibiting O）Visual|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页，共 16 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*

49、|*|欢.|迎.|下.|载.第 5 页，共 16 页文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3

50、P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2Z5 HY4D4M6E6G7 ZA5W3P8T9U2文档编码:CJ6G3D9C2