题目内容

固定汇率制下的贸易政策的经济机制,同固定汇率制下的财政政策的机制是不同的。

A. 对
B. 错

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在小国开放经济中,固定汇率制下,政府实行增加购买支出或者减少税收的扩张性财政政策,结果是导致本币升值或净出口减少。

A. 对
B. 错

dx=()d(5x) ; dx=()d(2x) ; dx=()d(3x-4) ; dx=()d(4x+7)

第一类换元积分法的解题步骤是

[音频]2020年12月实考试卷Part IListening Comprehension（25 minutes)Directions: This part is to test your listening ability. It consists of 4 sections.Section ADirections: This section is to test your ability to give proper responses. There are 7 recordedquestions in it. After each question, there is a pause. The questions will be spokentwo times. When you hear a question, you should decide on the correct answer fromthe 4 choices marked A), B), C), and D) given in your test paper. Then youshould mark the corresponding letter on the Answer Sheet with a single line throughthe center.Example:You will hear:You will read:A)I'm not sure.B)You're right.C)Yes,certainly.D)That's interesting.From the question we learn that the speaker is asking the listener to leave a message.Therefore, C) Yes, certainly is the correct answer. You should mark C) on theAnswer Sheet with a single line through the center. A][B][C][D]Now the test will begin.1. A) Two dollars.B) Wonderful.C)Three days.D)On the first floor.2. A) You're welcome.B) Thanks a lot.C)65657788.D) Tomorrow morning.3. A) Glad to see you.B) How do you do?C) No,not yet.D) Greg Allen.4. A) No, you can take it.B) It's over there.C)My pleasure.D)Not too bad.5.A) Don't mention it.B) Mind your steps.C) Here you are.D) Sure, let's go get one.6. A) Yes, just over there.B) Good idea.C) See you then.D) Here it is.7. A) I think so.B) No problem.C) After you.D)Sounds good.Section BDirections: This section is to test your ability to understand short dialogues. There are 7 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with asingle line through the center. Now listen to the dialogues.8. A) It is canceled.B) The plane has just taken off.C) It is delayed.D) The plane hasn't arrived yet.9. A) Office secretary.B) Restaurant waiter.C) Front desk clerk.D)Sales assistant.10. A) Sales results.B) Customer demand.C)Production target.D)Budget cuts.11. A) By fax.B) Online.C) By phone.D)Through EMS.12. A) At the manager's office.B) At the ticket window.C) At the gift store.D) At the reception desk.13. A) Show their ID card.B) Book a parking space.C) Buy a visitor permit.D)Park the car in the garage.14. A) He is on sick leave.B) He is away on business.C) He is at a meeting.D) He is receiving a client.Section CDirections: In this section, there are 2 recorded conversations. After each conversation, there are some recorded questions. Both the conversations and questions will be spokentwo times. When you hear a question, you should decide on the correct answerfrom the 4 choices marked A), B), C) and D) given in your test paper. Then youshould mark the corresponding letter on the Answer Sheet with a single line throughthe center. Now listen to the conversations.Conversation 115. A) From a newspaper.B) From a magazine.C) From a job fair.D)From a website.16. A) The marketing department.B) The IT department.C)The sales department.D)The production department.17. A) Her résumé.B) Her email address.C)Her telephone number.D)Her home address.Conversation 218. A) He is on sick leave.B) He is in a meeting.C)He is on a business trip.D)He is on vacation.19. A) His sales report.B) His traveling schedule.C)His book.D) His presentation.Section DDirections: In this section you will hear a recorded short passage. The passage is printed in the test paper, but with some words or phrases missing. The passage will be read threetimes. During the second reading, you are required to put the missing words or phrases on the Answer Sheet in order of the numbered blanks according to what you hear. The third reading is for you to check your writing. Now the passage will begin.I'm Wang Hong, a tour guide at Discovering China. I've been working as a tour guide for more than 10 years. My father was 20_, too. I learned a lot from him. I21 being a tour guide. I've 22 to many places in China and abroad in the past 10 years. Every day is a challenge for me, working with different people, but it is 23 and rewarding. I love working with people from different places. China has rich tourism resources and I am still 24__ to explore its wonderful natural scenery.