You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
A . continue ahead at slow speed
B . continue ahead at half speed
C . stop your engines
D . back down on your engine
相似题目
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If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
A . Make periodic inspections of bilges
B . Keep the barge under constant surveillance
C . Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D . Verify ullage reading
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We are pleased to tell you that the goods （） in your order have been sent to you today.
A . including
B . included
C . includes
D . to include
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You have a large，broken-down vessel in tow with a wire rope and anchor cable towline. Both vessels have made provision for slipping the tow in an emergency; however，unless there are special circumstances（）.
A . the towing vessel should slip first
B . the vessel towed should slip first
C . they should slip simultaneously
D . either vessel may slip first
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A:Hello, David! I haven't heard from you for a long time. How have you been recently? B:（）
A . That's ok
B . Long time no see
C . Not bad, thank you
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1. We have been informed that you are ____ the market____textiles.
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_____ to the doctor right away, you might have been better now.
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Your mother____for you everywhere. Where have you been?
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Greeting someone you have just been introduced to:
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You have just been diagnosed as having an enlarged liver. The doctor describes it as____
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_____ you read this, thousands of pictures will have been sent to us.
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How could you ______ such a fantastic job when you have been out of work for months.
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____ have you been at this factory? --I've been here since 1993.
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– Have you ever been to Beijing?No, but I wish I ___.
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听力原文：W: I haven't seen you down at the tennis court in weeks. Have you been on vacation？
M: No, I have been around. It's just that I've got this pain in my elbow that's keeping me from playing tennis. And you know how much I love tennis!
W: I know. I used to see you practice every night. So what have you been doing to treat your elbow？
M: You name it pain-killers, heating pads, ice. But nothing seems to work.
W: Have you tried acupuncture？
M: Well, I've heard about it--they stick needles in all parts of your body, but I'm not too sure.
W: I don't blame you for being hesitant. I had a similar problem with my shoulder a while back. But I read an article about acupuncture for relieving pain, so I figured, why not？ I'll try it.
M: And it worked？
W: It worked for me. The article was about an acupuncturist in California who's been successful in helping 90 percent of the people he's treated for the pain they get in their hands when they type too much.
M: That sounds promising. Now, isn't acupuncture a Chinese tradition？
W: That's right. The Chinese have been using acupuncture to treat pain for thousands of years. But it's really starting to catch on over here now. There are more than 9,000 licensed acupuncturists in the United States.
M: Wow! Is there an acupuncturist near campus？
W: There sure is. Are you busy now？ I could walk you over there and you could make an appointment.
M: That'd be great. I want to get this problem taken care of as soon as possible so I can start playing tennis again.
(23)
A．Places to play tennis.
B．A way to relieve pain.
C．Common sports injuries.
D．A topic for a research paper.
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You oughtn't to have been there, __？ A．hadn't you B．didn't you C．oughtn't you D．ought you
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听力原文：M: I am sorry to inform. you that you have been replaced by a computer at the office.
W: I see. So a machine can be more capable than a man.
What do we learn from the conversation？
A．The woman will work together with a machine.
B．The machine has been replaced by a man.
C．The woman lost her job.
D．The woman was happy to work with a capable computer.
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Have you been to Paris？ _________
A．A.No, I didn't go there last year.
B．B.No, but I hope to go there next year.
C．C.Paris is a nice place to visit.
D．D.No, it was a long time ago.
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- Thanks very much.You have been very helpful.-（).
A.No, thanks.
B.You are right.You can say it agam.
C.Don't mention it.Any time.
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听力原文：Woman: I haven’t seen you for ages! Where have you been Man: Actually, I have bee
听力原文：Woman: I haven’t seen you for ages! Where have you been Man: Actually, I have been doing research recent
A．He is doing research．
B．He works long hours in the laB
C．He is making progress．
D．He was unhappy until recently．
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— Have you ever been to Tokyo？
— _________________.
A．Tokyo is a busy city
B．No, but I hope to go there next year
C．No, I didn't go there last year
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听力原文：M: You have been getting back from lunch later every day. You do your shopping, don't you？
W: No. I spend most of my lunch hour at the library, but it's so quiet that I fall asleep.
Q: Why does the woman come back late from lunch now？
(6)
A．She goes home for lunch.
B．She spends her time shopping.
C．She gets interested in what she is reading.
D．She doesn't wake up in time.
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—Have you ever been to Tibet —Yes. I have fantastic__________ of my trip there last summer.
A．time
B．experience
C．days
D．memories
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How many years have you been learning english？（)
A.1
B.2
C.3
D.4
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--Have you ever been to the Great Wall --Yes. I ___ there last year.
A．have gone
B．have been
C．went
D．go
