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Which of the following cells is not an innate immune cell?
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2019年12月B级考试全真试题Part I Listening Comprehension [25 minutes]Directions: This part is 10 test your listening ability. It consists of 4 sections.Section A[音频]Directions: This section is to test your ability to give proper responses There are 7 recorded questions in it. After each question, there is a pause. The 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 a single line through the center.Example: You will hear:You will read:A) I'm not sure.C) Yes, certainly.B) You're right.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 the Answer Sheet with a single line through the center. Now the test will begin.1.A) It's kind of you.B) Take care.C) Mind your step.D) Sure.2. A)Never mind.B) OK.C)You’re welcome.D) Don't mention it.3.A) None of your business.B) I'm fine.C) Here you are.D) It doesn't matter.4. A) No problem.B) It's over there.C) This way, please.D) Not at all.5.A) All right.B) Glad to see you.C) Take it easy.D) Go along the street.6.A) Yes, I can.B) No idea.C) Yes, please.D) Good luck.7.A) On foot.B) In cash.C) By bus.D) On Sunday.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 a single line through the center. Now listen to the dialogues.8.A) A movie ticket.B) A meeting room.C) A fight.D) A table.9.A) He has been promoted.B) He has passed the road test.C) He has got a job offer.D) He has bought a new car.10.A) To see off a customer.B) To visit his friend.C) To meet his parents.D) To pick up his luggage.11.A) It was too noisy.B) It was too far away.C) It was too large.D) It was too crowded.12.A) Friendly.B) Serious.C) Hard-working.D) Open-minded.13.A) Make a complaint.B) Apply for a job.C) See a doctor.D) Place an order.14.A) Sign a contract.B) Meet new clients.C) Tour the city.D) See his friends.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 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 a single line through the center. Now listen to the conversations.Conversation 115. A) Computer science.B) The latest software.C) Big Data in marketing.D) The importance of education.16. A) He will meet his lawyer.B) He will be away on business.C) He has been busy with his paper.D) He will pay a visit to his parents.Conversation 217. A) It can't start.B) Its keyboard doesn't work.C) It gives no sound.D) Its screen is broken.18. A) Three days ago.B) Six days ago.C) A month ago.D) Three months ago.19. A) His ID card.B) His business card.C) His address.D) His receipt.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 three times. 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 should say that teaching English in China is a real job, and the schools 20you to be professional and you have to21.If you don't meet their requirements, it is easy to get fired. But with22and the right attitude, it will be a very good experience where you will23about China and yourself! I am so happy that I took this24when I had it, and the memories will be with me for the rest of my life.
2019年6月B级听力题目Section ADirections: This section is to test your ability to give proper responses. There are 7 recorded questions in it. After each question, there is a pause. The 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 write down the corresponding letter on the Answer Sheet.1. A. Yes, I ’m. C. Sit down, please.B. Don’t mention it. D. Let’s go now.2. A. Never mind. C. Sure, I willB. All right. D. Yes, it is3．A. Nice. C. Sure.B. I think so. D. Yes, please.4．A. Take it easy. C. Not at all.B. No, thank you. D. See you later.5．A. Take care. C. Here you are.B. Go ahead. D. No problem.6．A. Very nice. C. Glad to meet you.B. Mind your head. D. Quite convenient.7．A. See you again. C. Don’t worry.B. I’d love to. D. Don’t be late.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 quest ion. 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 write down the corresponding letter on the Answer Sheet.8. A. She is an operator. C. She is a doctor.B. She is a nurse. D. She is a driver.9. A. To go to study abroad. C. To pay for her debt.B. To move to another city. D. To raise money for her business.10. A. A new product design. C. The pay raise.B. After-sales service. D. The sales plan.11. A. Book a ticket. C. See a doctor.B. Place an order. D. Reserve a room.12. A. Having an interview. C. Discussing a new design.B. Doing an experiment. D. Planning a budget.13. A. On TV. C. From a magazine.B. In a job fair. D. Online.14. A. She is over the speed limit. C. She is making a phone call.B. She is on the wrong way. D. She is smoking while driving.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 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 write down the corresponding letter on the Answer Sheet.Conversation 115. A. To change an order. C. To cancel an appointment.B. To ask for leave. D. To apply for a job.16. A. 80 B. 100 C. 118 D. 180Conversation 217. A. A sun hat. B. A T-shirt. C. Sports shoes. D. Sun glasses.18. A. He is the manager of the store. C. He is a regular customer.B. He is one of her friends. D. He is a new customer of the store.19. A.140 dollars. B. 200 dollars. C. 240 dollars. D. 300 dollars.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 three times.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.Thank you very much for meeting with me yesterday about our project. I really appreciate your help. And we’ll take your suggestions into consideration when we __20____ for the next year.It was __21____ to have someone like you who has had experience with similar projects.I appreciate your taking the time out of your busy schedule to __22____ me.I’ll ___23___ to send you a follow-up when this project is completed. Please let me know if I can __24__ the favor and when.[音频]
[音频]Section B (1’*7=7%)Directions: 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 a single line through the center.Section C (1’*5=5%)Directions: In this section, there are 2 recorded conversations. After each conversation, there are some recorded questions. Both the conversations 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 a single line through the center.Conversation 1Conversation 2Section D (1’*5=5%)Directions: 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 three times. 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. I ____21_____ 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..
CDMA2000移动系统采用的语音编码方式为（）
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