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You are on a containership carrying a tank container that had been filled with sodium hydroxide solution. The container is empty but has not been cleaned. Which，if any，placard is required?（）.
A . No placard is required; the tank openings must be sealed
B . Empty placard with corrosive placard
C . Residue label with the UN number
D . Black and white corrosive placard
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If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?（）
A . Sailing Charts of the Caribbean Sea
B . Pilot Charts of the North Atlantic
C . Light Lists，Atlantic and Gulf Coast
D . Tidal Current Table
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You have a computer that runs Windows 7. The computer is in a workgroup. You need to ensure that youcan decrypt Encrypting File System (EFS) files on the computer if you forget your password. What are two possible ways to achieve this goal?（）
A . From Credential Manager， select Back up vault.
B . From User Accounts， select Create a password reset disk.
C . From User Accounts， select Manage your file encryption certificates.
D . From Authorization Manager， modify the Authorization Manager options.
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If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）
A . Calling frequency
B . Distress frequency
C . Urgency frequency
D . Working frequency
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If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.
A . fire a green star to the left
B . send the letter K by light and point to the left
C . place an orange signal to your left as you signal with a white light
D . send the code signal S followed by L
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If there are any items you would like to list on the agenda, please let me know by e-mail before the end of this week.这句话翻译成中文是（）
A . 如果各位想要参加会议， 请在本周末之前通过电子邮件与我联系。
B . 如果各位有想纳入会议议程表的事项， 请在本周末之前通过电子邮件与我联系。
C . 如果各位有事项想要纳入会议议程表， 请在本周末之前告知我电子邮件地址。
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If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.
A . increase
B . decrease
C . stop
D . remain constant
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You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.
A . Minimum speed estimate
B . Maximum speed estimate
C . Average speed estimate
D . A running fix should not be used under these conditio
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If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken?（）.
A . At any time you feel it is appropriate
B . Only when you have reached extremis
C . When you determine that your present course will cross ahead of the other vessel
D . When it becomes apparent to you that the give-way vessel is not taking appropriate actio
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If you show too many images and too many messages on a slide, your listeners might fail to follow what you are saying because their eyes are roving over the slide.
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The final exam is still months away. What are you nervous about? ______. Just enjoy your life now.
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If you are going to give speeches on the following three topics, in which speech will you use problem-solution order?
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All the traveling _____ are paid by the company if you travel on business.
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If you are nervous on the stage, just regard the audience as carrots, cabbage or a piece of wood.
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5. _____________ the items that are on sale and decide if you really need those things.
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听力原文：M: It is good to have some company for the drive. It’s a long way to Edinburgh, and it’s very boring if you are on your own.
W: I’m really lucky you stopped and offered me a lift. I’ve been waiting for about two hours but no one seemed to be going my way.
M: Are you a student？
W: Yes, I’m a biology student in London University. I’m going up to Edinburgh for the festival, but it’s so expensive on the train that I decided to try and hitch a lift.
M: Well, you are lucky because I should have been going yesterday, but something happened to delay me so I postponed my trip until today.
W: Is it all right if I put my bag on the back seat？
M: Yes, of course.
W: It started to rain just as I left the house this morning and my clothes and shoes are wet through. Would you mind if I take off my shoes？
M: No, of course not. I don’t mind. Go ahead.
W: Thanks.
M: Oh, don’t forget to put your seat belt on! You can get fined nowadays, you know, for not wearing your seat belt.
W: Yes, sorry, I forgot. Could I open this window？
M: Well, I’d rather you don’t if you don’t mind. It gets very draughty when you open that window. But you can open the back window.
W: Is it all right if I go to sleep for a while？
M: Yes, of course. I’ll wake you up when we reach the next service station. I’ll need some coffee then.
(23)
A．Because she has a company for the drive.
B．Because she can attend the festival.
C．Because the man stopped and offered her a lift.
D．Because the man provided a shelter from the rain.
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听力原文：M: Come on. Open your mouth. Don't be so nervous! I can't give you the injection with your mouth closed.
W: I'm not nervous. I... I just hate needles, you know.
Q: What is the possible relationship between the two speakers？
(13)
A．Colleagues.
B．Dentist and patient.
C．Boss and secretary.
D．Teacher and student.
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听力原文：W: Are you busy this evening？ I'm going over to the International Center later on if you'd like to come along.
M: I remember receiving their calendar of activities in my campus mailbox a week ago. I didn't really look at it though. Isn't that where they organize parties and trips for foreign students？
W: Not just for foreign students. The International Center's activities are intended for all students. They set up conversation tutorials for a variety of languages, and, through the center's Host Family Program, you can visit the home of a local family.
M: Now that you mention it, it would be nice to meet more people from this area. I find the customs of this country really confusing sometimes. But also there are times when I need to talk to people who come from other countries as I do. I'll bet a lot of them feel the way I do.
W: Of course. You are not the only person who is new around here. Take me. My family lives five hundred miles away from here. That isn't another country, but it is a long distance. The center is a good place for meeting people who can tell you how to get to know this city. And if you ever feel lonely, you can go over there and find someone to talk to. On week nights, they don't close until 11: 30.
M: I guess it's worth visiting. Did you say you are going there tonight？
W: Uh-huh, to a coffee hour at eight.
M: All right. I'll come, too. I might as well see what the International Center is like. How about meeting me in front of the library and we'll walk there together？
W: Sure. See you then.
What does the International Center send out to students？
A．A diagram of their facilities.
B．A timetable of events.
C．Maps of the city.
D．Samples of coffee from other countries.
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In order to know if you can make a return on your investment，assess how you can add to the company you are buying．
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Don't forget your ______ if you are going on the Walking Tour.
A．worries
B．comfortable shoes
C．sweaters
D．jackets
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You are developing a Web application. The Web application restricts access to an administrative page. The Web application uses the following code segment to protect the page.If Page.User.Identity.Name "CONTOSO\Administrator" Then Response.Redirect("login.aspx")End IfYou are logged on as Administrator. When you display the page, you are redirected to Login.aspx. You discover that the User.Identity.Name property is not being correctly populated. You need to ensure that you can access the page when you are logged on as Administrator. Which two actions should you perform？ （）
A. In the Web.config file, enable impersonation.
B. In IIS, enable anonymous access.
C. In IIS, disable anonymous access.
D. In the Web.config file, set the authentication mode to Windows.
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(2019安徽省完型填空)
B
Are you shy? If you are, you are not alone. In fact, nearly 50% of people are shy, and almost 80% feel shy at some point in their lives. Why are people ?
It is found that family size might people to be shy. Children with no brothers and sisters may be shy. Growing up , they often play by themselves. They are not able to develop the same social skills as children from big .
Another cause of shyness could be . As more and more people use the Internet, they less time outside, talking to people. As a result, they lose practice at conversation. to new people face to face can make them feel nervous.
For shy people, it can be to make friends, speak in class, and even get a good job. But scientists say you can your shyness. They suggest trying things and practicing conversation.
Anyway, don't be afraid of shyness — you are valued for what you are!
A run intoB look forC get overD depend on
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听力原文：MB I just wanted to remind you that registration for little league baseball's already started, and if you want the kids to take part, you need to register them before the end of the month. Are you planning on enrolling them this year？
WB Yes, but... registration's already begun？ It's only January! When does the league begin？
MB The league doesn't start until May, but... yes, we always do registration this early. And let me tell you, with all the kids that sign up, and all the games that need to be scheduled, we need to do this early, so we can focus on getting kids ready to play once the league begins.
WB Wow, I don't remember it being this early last year. Yes, of course... I'll drop by and register the kids this week. Is it going to cost the same as last year, or has it gone up？
Why has the man contacted the woman？
A．To schedule an appointment
B．To invite her children to an event
C．To inform. her of a change in policy
D．To remind her of an important deadline
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If you are on holiday in other places, the lights in your house should（）
A．be lit in an irregular way
B．be kept on all the night
C．be replaced by random timers
D．be turned on only once one day
