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If the electronic chart is part of an ECDIS,it must display the minimum data required by IMO/IHO,to include all of the following EXCEPT（）.
A . hydrography
B . aids to navigation
C . tidal currents
D . regulatory boundarie
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Company.com has an application that requires a serial connection for Electronic Data Interchange. What must be done to integrator the serial connection into an HACMP cluster？（）
A . Use an RS3232/422 serial Y cable.
B . Alter the device settings to 9600 8/n/1 xon/xoff.
C . Use a network based terminal server for the serial connection.
D . Nothing because HACMP does not support native serial connection fallovers.
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The description Racon beside an illustration on a chart would mean a（）.
A . radar transponder beacon
B . radar conspicuous beacon
C . radar calibration beacon
D . circular radiobeaco
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The description Racon beside an illustration on a chart would mean a （）.
A . radar conspicuous beacon
B . circular radiobeacon
C . radar transponder beacon
D . radar calibration beaco
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An electronic depth finder operates on the principle that（）.
A . radio signals reflect from a solid surface
B . sound waves travel at a constant speed through water
C . radar signals travel at a constant speed through water
D . pressure increases with depth
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The agonic line on an isomagnetic chart indicates the （）.
A . magnetic equator
B . magnetic longitude reference line
C . points where there is no variation
D . points where there is no annual change in variatio
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Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.
A . echo
B . jitter
C . packet loss
D . digitized sampling
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Electronic Chart Display and Information system can assist the mariner in（）.
A . voyage plan
B . stability calculate
C . calculate ETA
D . monitor strength
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59. Charted depths ______ by 2 meters due to state of the winds.
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An organizational chart shows the interaction among job positions, but can’t show relative ranks of its parts and positions. F
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People used to think the development of electronics may ( ), but now more and more letters and documents travel electronically.
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When decision-making authority resides at the top of the organizational chart as opposed to being distributed throughout lower levels, an organization is:
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23. When one feature replaces an existing feature and the position remains as charted, ______ command is used.
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Aton, an electronic comany, ________________ from China to Viet Nam last year due to the increaing work labor expenses.
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The first step in the development of electronics was electron tube invented by Fleming in 1904.
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First published in 1927， the charts remain an ________ source for researchers.
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The speed with which an electronic computer works relies on______.
A．programer
B．instructions
C．electronic circuits
D．vaccum tubes
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Besides the electrons, an atom also contains positive electrical particles______total charge must be equal to that of the electrons.
A．which
B．that
C．whose
D．of which
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An electronic device has been developed to measure the weight of certain Martian particles．
A. Right
B. Wrong
C. Not mentioned
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The highest paid people in America today read an average of 59 hours per week.（)
是
否
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Which of the four quantum numbers determine the energy of an electron in a hydrogen atom （）
A．n
B．l
C．m l
D．m s
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Watson and her family insist she is an experienced and capable sailor who has studied navigation, electronics and m_____ safety procedures. (naval, sea)
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An ebook（also referred to as an electronic book，eBook，or e-book)is a digital version（版本)
An ebook(also referred to as an electronic book，eBook，or e-book)is a digital version(版本)of a print book that you download and read. But if you want to read an ebook, you must have an Ebook Reader, which is a kind of free software used by your computer. Make sure you have installed the appropriate Reader before you download your ebook from the Internet. The software allows you to turn the words on the screen into the size you like. It also helps you turn pages and change your viewing options(计算机屏幕上的阅读选择). Ebooks are a fun alternative to regular books. You can download them to any computers and create your own library of hundreds of titles. If you load them onto your portable computer，you can take them with you when you travel. Some ebooks are even interactive! Best of all，when you order an ebook，there is no waiting and no shipping charges. The amount of time it takes to download your ebook depends on the speed of your connection and the size of your ebook. From this passage，we learn that an ebook___________.A.can be found in any library
B.can be read directly from the Internet
C.can be read by any one who has a computer
D.can be read when special software is installed
From this passage，we can learn that______________.A.you can read an ebook on a laptop when you travel
B.you Can order an ebook using the Ebook Reader
C.the ebooks ordered have to be shipped to you
D.it takes a lot of trouble reading an ebook
Which of the following statements is TRUE？A.An ebook is ordered in print book is.
B.The size of the words in an ebook cannot be changed.
C.The downloading time is decided by the ebook’s size.
D.There is less fun reading an ebook than a print book.
The Ebook Reader is used for___________.A.reading an ebook you’ve downloaded
B.turning a print book into a digital version
C.downloading an ebook from the Internet
D.copying an ebook onto a portable computer
The passage is mainly about_______________.A.a better way to download an Ebook
B.a new kind of book—the Ebooks
C.the new version of Ebooks
D.the fun of reading Ebooks
请帮忙给出每个问题的正确答案和分析，谢谢！
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Your chart indicates that there is an isolated rock and the rock is named in vertical letters. This indicates the ______.
A．rock is visible at low water springs only
B．rock is a hazard to deep draft vessels only
C．rock is dry at high water
D．exact position of the rock is doubtful
