网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.
A
Lead
B
Babbitt
C
Solder
D
Nothing
参考答案
参考解析
解析：
暂无解析
更多 “单选题What material may be substituted for zinc when making a poured metal socket ending to a wire rope（）.A LeadB BabbittC SolderD Nothing” 相关考题
考题
What may happen when a patient takes blood transfusion? ()
A. breathlessB. feel flushedC. feel itchyD. have chills
考题
Which of the following types of cost are relevant to making financial decisions:A . sunk costB . opportunity costC . material costD . A and C onlyE . B and C only
考题
Despite their limitations, however, these systems may eliminate ― or significantly reduce ― the costs that companies face when using privately owned electronic networks, making it easier for smaller companies to afford EDI.
考题
Despite their limitation, however, these systems may eliminateor significantly reducethe costs that companies face when using privately owned electronic networks, making it difficult for smaller companies to afford EDI.()此题为判断题(对，错)。
考题
Passage ThreeIn an age when waste today means a lack tomorrow, making use of every available resource becomes more and more important. As coal is being used in greater and greater amounts to produce electricity, larger amounts of ash, by-product of coal, are produced. When coal is burnedin a boiler, two kinds of ash by-product are produced, a heavy bottom ash and a fine-as-powder fly ash that is filtered and captured by precipitators. About 10 to 15 percent of the coal by-product is bottom ash which is used like sand on icy city streets and highways and also on highways as paving material. It is the fly ash, however, that is receiving the greater amount of attention. Fly ash may be used as an additive to concrete in the construction of dams, bricks, and roads, and can replace up to 20 percent of the cement used in concrete. As a by-product of burned coal, fly ash requires no additional expenditure of energy to be produced, while cement production requires great amounts of energy.In addition to using fly ash as a concrete additive, the technology is available to extract the main mineral components-aluminum, silicon, and magnetic. Today, extracting these components is a very expensive process, but the time may come when it is cheaper to extract these products from ash than to mine new supplies.41. What can be used as a material to pave roads?A. The coal by-product.B. Additive.C. Fine-as-powder fly ash.D. Both B and C.
考题
According to the passage, when you get a wrong number in making a long-distance call, you should______.A. check your number and call againB. tell the operator what has happenedC. Ask the operator to put you throughD. Ask the operator what has happened
考题
The material used extensively as electrolytic protection around bronze propellers is ______.A.BrassB.CopperC.LeadD.Zinc
考题
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when ______.A.wearing a life jacketB.wearing a safety harness secured to the stageC.wearing both a life jacket and a safety harness secured to the stageD.the vessel is not making way
考题
Coast Guard approved buoyant work vests ______．A.may be substituted for 10 percent of the required life preserversB.should be stowed adjacent to lifeboats and emergency stationsC.may be used by boat crews and line handlers during lifeboat drillsD.should be used when carrying out duties near a weather deck's edge
考题
When making landfall at night，the light from a powerful lighthouse may sometimes be seen before the lantern breaks the horizon．This light is called the ______．A.diffusionB.backscatterC.loomD.elevation
考题
Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.A.When at anchor, the pilot vessel is only required to sound anchor signalsB.The identification signal must be sounded any time the pilot vessel is underwayC.The pilot vessel may only sound the identity signal when making wayD.All of the above
考题
Above all know your audience and match what you say to their needs．Creating your presentation with your audience in mind will assure that your audience will follow you．If your presentation doesn't appeal to your audience-no matter how well you have developed your presentation--your presentation will fall on deaf ears．This leads us to the next rule:Know your material thoroughly．Your material needs to be second nature to you．Practice and rehearse your presentation with friends,in front of a mirror,and with colleagues．If you are speaking in a second language,make sure that you record yourself and listen to a number of times before going to practice with a native speaker(if possible).
Remember that you are an actor when presenting．Make sure that not only your physical appearance is appropriate to the occasion,but also the tone you use is well chosen．If your topic is serious,be solemn．However,it's always a good idea to begin your presentation with an ice-breaker．Don't worry about making friends,rather lead the audience through your materials in a calm and relaxed manner．Speak slowly and clearly,and remember to address everyone in the audience-even the person the farthest away from you.
To achieve the above goals follow these tips when giving your presentation:
●Speak with conviction．Believe what you are saying and you will persuade your audience．
●Do not read from notes．Referring to notes is fine,but do so only briefly.
●Maintain eye contact with your audience．Making direct eye contact with individuals will help them feel as if they are participating in your presentation.
●Bring handouts．Don't just use a PowerPoint presentation．Provide audience members with handouts of the most important materials so they can keep your most
important takeaways in mind.
●Know when to stop．This cannot be underestimated．You need to make your case,but continuing for too long will only ensure that the audience forgets what you have said.
Why should you know when to stop?A.Because you need res
B.Because audience may fall aslee
C.Because you may be tired for talking too lon
D.Because it can make audience remember what you sai
考题
Above all know your audience and match what you say to their needs．Creating your presentation with your audience in mind will assure that your audience will follow you．If your presentation doesn't appeal to your audience-no matter how well you have developed your presentation--your presentation will fall on deaf ears．This leads us to the next rule:Know your material thoroughly．Your material needs to be second nature to you．Practice and rehearse your presentation with friends,in front of a mirror,and with colleagues．If you are speaking in a second language,make sure that you record yourself and listen to a number of times before going to practice with a native speaker(if possible).
Remember that you are an actor when presenting．Make sure that not only your physical appearance is appropriate to the occasion,but also the tone you use is well chosen．If your topic is serious,be solemn．However,it's always a good idea to begin your presentation with an ice-breaker．Don't worry about making friends,rather lead the audience through your materials in a calm and relaxed manner．Speak slowly and clearly,and remember to address everyone in the audience-even the person the farthest away from you.
To achieve the above goals follow these tips when giving your presentation:
●Speak with conviction．Believe what you are saying and you will persuade your audience．
●Do not read from notes．Referring to notes is fine,but do so only briefly.
●Maintain eye contact with your audience．Making direct eye contact with individuals will help them feel as if they are participating in your presentation.
●Bring handouts．Don't just use a PowerPoint presentation．Provide audience members with handouts of the most important materials so they can keep your most
important takeaways in mind.
●Know when to stop．This cannot be underestimated．You need to make your case,but continuing for too long will only ensure that the audience forgets what you have said.
What is the most important thing to remember when making a presentation?A.Match your presentation to the needs of your audienc
B.Make sure to wear your best clothe
C.Bring detailed handout
D.Know your material thoroughl
考题
单选题A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm，what situation may occur?（）A
The low may suddenly deepen，and the cyclone intensify and pick up speedB
The left semicircle may become the dangerous semicircleC
The low and the high may merge and cancel out the weather characteristics of eachD
The high may force the cyclone to reverse its track
考题
单选题You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.A
The vessel must carry only the lights that comply with the rules; the others may be omittedB
The vessel's lights must comply as closely as possible，as determined by her governmentC
The vessel must be altered to permit full compliance with the rulesD
An all-round light should be substituted for the after masthead light and the stern light
考题
单选题The author implies that when one chases wealth and finally gets it ______.A
he can realize what happiness isB
he may not end up with happinessC
he may consider it extreme happinessD
he should not feel content with himself
考题
单选题Which item may be substituted for，in the fireman’s outfit，on a cargo vessel?（）A
fire axB
flashlightC
rigid helmetD
flame safety lamp
考题
单选题A vessel is underway with a work stage rigged over the side. A seaman may work on the stage，but only when（）.A
wearing a life jacketB
wearing a safety harness secured to the stageC
wearing both a life jacket and a safety harness secured to the stageD
the vessel is not making way
考题
单选题What is likely to occur when you are surging synthetic mooring lines on the gypsyhead during mooring operations?（）A
The lines may jam and then jump off the gypsyheadB
If there is sudden strain on the line，the man tending the line may be pulled into the gypsyheadC
The lines' surging may cause the vessel to surgeD
The heat generated may cause the lines to temporarily fuse to the gypsyhead
考题
单选题What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）A
Seal off all tank and compartment ventilationB
Remove all bulk materials from the P-tanksC
Provide respiratory protection and monitoringD
All of the above
考题
单选题On a ship，when may a work vest be substituted for a required life preserver?（）A
To replace a damaged life preserverB
For use during fire drillsC
For use during boat drillsD
At no time
考题
单选题According to the passage people who have experienced ups and downs may become _____.A
nervous when faced with difficultiesB
physically and mentally strainedC
more capable of Coping with adversityD
indifferent, toward what happens to them
考题
单选题If you change from a low pour point lubricant to a high pour point lubricant in a refrigeration system, （）.A
compressor lubrication will be improvedB
oil will not leave the crankcaseC
compressor valves will be damagedD
oil may congeal in the evaporator
考题
问答题Practice 5 ‘Mini presentation’—about 6 minutes In this part of the test you are asked to give a short talk on a business topic. You have to choose one of the topics from the three below and then talk for about one minute. You have one minute to prepare your ideas. A WHAT IS IMPORTANT WHEN…? Selecting a secretary for the general manager ● Qualifications ● Related work experience B WHAT IS IMPORTANT WHEN…? Cancelling a business meeting ● Making an apology ● Reasons for cancellation C WHAT IS IMPORTANT WHEN…? Motivating staff ● Bonuses offered ● Pleasant working environment
考题
单选题A vessel sailing through the specific special areas may discharge or dispose of （）.A
incinerated ash at anytimeB
fairly dense material that will sink, i√emetal cans or glass bottles at anytimeC
victual waste when at least 12 nautical miles from shoreD
absolutely no garbage at anytime
考题
单选题In the last paragraph, you are advised _____.A
to help others and make a differenceB
to enjoy what you have to do in the workC
to judge yourself and make a wish for youD
to try a new way when making the world better
热门标签
最新试卷
