When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．A.10 metersB.20 metersC.50 metersD.100 meters

题目

When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of ______．

A.10 meters

B.20 meters

C.50 meters

D.100 meters

相似考题

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更多“When navigating using DGPS(Differential Global Positioning System)you may expect your posi ”相关问题

  • 第1题：

    When talking to people within your company()don’t speak your language, you may have to use English.

    A、who

    B、which

    C、whose


    参考答案：A

  • 第2题：

    If you are admitted to a key university, _________ as a prize?

    I’m looking for a cell phone.

    A.What you expect your father will offer you

    B.Do you expect what your father will offer you

    C.What do you expect will your father offer you

    D.What do you expect your father will offer you


    参考答案：D

  • 第3题：

    资料：The market is a concept. If you are growing tomatoes in your backyard for sale you are producing for the market. You might sell some to your neighbor and some to the local manager of the supermarket. But in either case, you are producing for the market. Your efforts are being directed by the market. If people stop buying tomatoes, you will stop producing them.
    If you take care of a sick person to earn money, you are producing for the market. If your father is a steel worker or a truck driver or a doctor or a grocer, he is producing goods or service for the market.
    When you spend your income, you are buying things from the market. You may spend money in stores, supermarkets, gas stations and restaurants. Still you are buying from the market. When the local grocer hires you to drive the delivery truck, he is buying your labor in the labor market.
    The market may be something abstract. But for each person or business that is making and selling something, it is very concrete. If nobody buys your tomatoes, it won’t be long before you get the message. The market is telling you something. It is telling you that you are using energies and resources in doing something the market doesn’t want you to do.

    You are buying from the market when you____.

    A.borrow a book from the library
    B.look after your children
    C.drive to the seaside for a holiday
    D.dine at a restaurant

    答案：D
    解析：
    本题考查的是细节理解。
    【关键词】buying from the market
    【主题句】第3自然段When you spend your income, you are buying things from the market. You may spend money in stores, supermarkets, gas stations and restaurants. 当你消费时，你就是从市场购买东西。你可以在商店、超市、加油站和饭馆花钱消费。
    【解析】题目意为“当你____时你是从市场购买商品。”选项A意为“从图书馆借书”，选项B意为“照顾你的孩子”，选项C意为“休假开车去海边”，选项D意为“在餐馆就餐”。根据主题句，D选项符合题意。

  • 第4题：

    英译中：Global Positioning System


    正确答案: 全球定位系统

  • 第5题：

    You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）

    • A、 The time when the last flashback operation in your database was performed.
    • B、 The time when the first flashback operation in your database was performed.
    • C、 A list of flashback operations performed in your database using SCN and time.
    • D、 The approximate time and the lowest system change number （SCN） to which you can flash back your database.

    正确答案:D

  • 第6题：

    You want to compress your folder named test on a FAT32 file system. When you try to compress the folder， you found no advance tab in the folder’s property window. What may be its reason.（）

    • A、You are not an administrator
    • B、A local system policy is implemented to hide the advance tab
    • C、FAT32 does not support compression
    • D、Delete and recreate the testing folder

    正确答案:C

  • 第7题：

    单选题
    When talking to people within your company don’t speak your language， you may have to use English.（）
    A

    who

    B

    which

    C

    whose


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    When you show your interest and pleasure in American people’s house, they may be _____.
    A

    angry

    B

    happy

    C

    sad

    D

    Worried


    正确答案： A
    解析：
    根据第二段的最后一句“They may also be pleased when you show your interest and pleasure in their houses.”可知，当你对他们的房子表现出兴趣时，他们会很高兴。故选项B正确。

  • 第9题：

    名词解释题
    英译中：Global Positioning System

    正确答案： 全球定位系统
    解析： 暂无解析

  • 第10题：

    单选题
    What makes the instructions sent by smartphones valuable and reliable for people when doing things?
    A

    A global positioning system installed in all smartphones．

    B

    Information collected and elicited by smartphones from your life．

    C

    An optimal sampling software to store information in smartphones．

    D

    Vibrations smartphones make in your pocket as a constant reminder．


    正确答案： C
    解析：

  • 第11题：

    单选题
    When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
    A

    10 meters

    B

    20 meters

    C

    50 meters

    D

    100 meters


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    The car will be guided by a differential GPS system that corrects errors（）in global positioning satellite signals.
    A

    arising

    B

    rise

    C

    raise

    D

    arouse


    正确答案： A
    解析： 暂无解析

  • 第13题：

    下列翻译错误的是( )。

    A、EDI(Electronic Data Interchange)

    B、GIS(Geographical Information System)

    C、GPS(Global Positioning System)

    D、IT(Information Teach)


    参考答案：D

  • 第14题：

    In the Northern Hemisphere, when the center of a high pressure system is due east of your position, you can expect winds from the ______.

    A.south to east

    B.north to west

    C.north to east

    D.south to west


    正确答案：A
    在北半球，如果高压中心在你的东部，你预料到是什么风向？东南风。

  • 第15题：

    资料：The market is a concept. If you are growing tomatoes in your backyard for sale you are producing for the market. You might sell some to your neighbor and some to the local manager of the supermarket. But in either case, you are producing for the market. Your efforts are being directed by the market. If people stop buying tomatoes, you will stop producing them.
    If you take care of a sick person to earn money, you are producing for the market. If your father is a steel worker or a truck driver or a doctor or a grocer, he is producing goods or service for the market.
    When you spend your income, you are buying things from the market. You may spend money in stores, supermarkets, gas stations and restaurants. Still you are buying from the market. When the local grocer hires you to drive the delivery truck, he is buying your labor in the labor market.
    The market may be something abstract. But for each person or business that is making and selling something, it is very concrete. If nobody buys your tomatoes, it won’t be long before you get the message. The market is telling you something. It is telling you that you are using energies and resources in doing something the market doesn’t want you to do.

    The word “concrete”in the last paragraph may most probably mean____.

    A.serious
    B.true
    C.important
    D.real

    答案：D
    解析：
    本题考查的是判断推理。
    【关键词】concrete
    【主题句】But for each person or business that is making and selling something, it is very concrete. 但是对一个人或商业活动来说，市场就是制造和销售东西，是非常实在的。
    【解析】题目意为“文章最后一段中的concrete一词最可能意为____”，选项A意为“严重的、严肃的”，选项B意为“正确的”，选项C意为“重要的”，选项D意为“实在的”。根据文章最后一段，D选项符合题意。

  • 第16题：

    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt：   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；   After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）

    • A、 when you change the name of a datafile
    • B、 when you drop a table from the database
    • C、 when you take an export of the database
    • D、 when you back up the database using OS utilities
    • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
    • F、 when you issue a BACKUP command from inside the RMAN run block

    正确答案:A,E,F

  • 第17题：

    You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）

    • A、the time when the last flashback operation in your database was performed
    • B、the time when the first flashback operation in your database was performed
    • C、a list of flashback operations performed in your database using SCN and time
    • D、the approximate time and the lowest system change number （SCN） to which you can flash back your database

    正确答案:D

  • 第18题：

    . You have a server that runs Windows Server 2003 Service Pack 2 (SP2). You back up the files on the server by using the following schedule: ·Full backup every Sunday ·Differential backup at 01:00 every Monday to Friday You want to restore the version of a file stored on the server at the start of the business day on Wednesday. You are unsure when the file was last modified. You need to restore the appropriate version of the file by using the minimum number of tapes. Which backup jobs should you review to locate the correct version of the file? （）

    • A、the differential backup from Tuesday
    • B、the differential backup from Wednesday and then the full backup from Sunday
    • C、the full backup from Sunday
    • D、the full backup from Sunday and then all other backups

    正确答案:B

  • 第19题：

    单选题
    You want to compress your folder named test on a FAT32 file system. When you try to compress the folder， you found no advance tab in the folder’s property window. What may be its reason.（）
    A

    You are not an administrator

    B

    A local system policy is implemented to hide the advance tab

    C

    FAT32 does not support compression

    D

    Delete and recreate the testing folder


    正确答案： C
    解析： Only NTFS file system supports files and folders compression. FAT32 does not support compression. Therefore， the advance tab for the folder compression is missing because the folder is present on a FAT32 partition.   All other choices are not correct.

  • 第20题：

    单选题
    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 action


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）
    A

     The time when the last flashback operation in your database was performed.

    B

     The time when the first flashback operation in your database was performed.

    C

     A list of flashback operations performed in your database using SCN and time.

    D

     The approximate time and the lowest system change number （SCN） to which you can flash back your database.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    You executed the following query in your database：  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output？（）
    A

    the time when the last flashback operation in your database was performed

    B

    the time when the first flashback operation in your database was performed

    C

    a list of flashback operations performed in your database using SCN and time

    D

    the approximate time and the lowest system change number （SCN） to which you can flash back your database


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals（）they travel through the ionosphere and troposphere.
    A

    as

    B

    that

    C

    what

    D

    where


    正确答案： C
    解析： 暂无解析

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