更多“Tomas plans to construct a circular fishpond with a diameter of 9 ft. Which of the following is closest to the length, in feet, of the decorative fencing that Tomas needs to enclose the fishpond along its perimeter?A.15B.19C.29D.64E.255”相关问题
  • 第1题:

    A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis,how will the value of the moment of inertia of the free surface be affected?

    A.The moment of inertia would remain unchanged

    B.The moment of inertia would be 1/4 its original value

    C.The moment of inertia would be 1/2 the original value

    D.None of the above


    正确答案:B

  • 第2题:

    Which of the following points is not included in the passage?___________

    A.Industrial development includes the simplification of complex chemical processes
    B.Diluting wastes needs certain amount of water
    C.Demands for water will go up along with the expanding population
    D.Intensive cultivation of land requires more and more chemicals

    答案:A
    解析:
    由第一段的第三句中的“…the amount ofwater available for diluting wastes”可知B正确。文章提到了人口扩张会带来对于水需求量的增加,C正确。由第一段“…agriculture will have to be intensified.This will involve ever-increasing quantities of agriculture chemicals”可知D正确。由第一段“Rapidly expanding in-dustries which involve more and more complex chemical processes”可知A项说法错误。

  • 第3题:

    Which of the following answers is most true about the BGP Update message?()

    • A、It lists a set of path attributes, along with a list of prefixes that use those PAs
    • B、It lists a prefix/length, plus the PA settings for that prefix
    • C、It  lists withdrawn routes, but never in the same Update message as newly advertised routes
    • D、A single Update message lists at most a single prefix/lengtH

    正确答案:A

  • 第4题:

    When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause?()

    • A、The keyboard driver needs to be updated.
    • B、There are conflicting serial ports.
    • C、The mouse driver needs to be updated.
    • D、The user is brushing the touch pad while typing.

    正确答案:D

  • 第5题:

    A server in the production environment monitors output from various sensors along an assembly line.New equipment is being added to the line that will require monitoring.The server administrator needs to add additional inputs to the server for this new equipment.  Which of the following input types is MOST likely required?()

    • A、EIDE
    • B、SATA
    • C、Serial
    • D、Video

    正确答案:C

  • 第6题:

    A System p administrator needs to set the default password length for all users to six characters.  Which of the following files needs to be edited to accomplish this ()

    • A、/etc/security/limits
    • B、/etc/security/mkuser.sys
    • C、/etc/security/priv
    • D、/etc/security/user

    正确答案:D

  • 第7题:

    public class Mycircle {  public double radius;  public double diameter;  public void setRadius(double radius)  this.radius = radius;  this.diameter= radius * 2;  }  public double getRadius()   {  return radius;  }  Which statement is true?()  

    • A、 The Mycircle class is fully encapsulated.
    • B、 The diameter of a given MyCircle is guaranteed to be twice its radius.
    • C、 Lines 6 and 7 should be in a synchronized block to ensure encapsulation.
    • D、 The radius of a MyCircle object can be set without affecting its diameter.

    正确答案:B

  • 第8题:

    单选题
    As you approach Shreves cut-off you see Red River LandingGage (302.4 AHP) which reads 4.2 feet. Which of thefollowing statements is TRUE? ()
    A

    This reading is at the same elevation as the 6.2 ft. mark on the gage at Head of Passes

    B

    A vessel drawing 8 ft would be able to pass over the sill at Old River Lock

    C

    This reading is 6.4 feet below the Low Water Reference Plane

    D

    A vessel drawing 7 ft. would be able to pass through the locks at Lower Old River


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Which of the following has the closest meaning to the underlined word “opportunity” in this passage?
    A

    Reward.

    B

    Interest.

    C

    Ability.

    D

    Chance.


    正确答案: D
    解析:
    【语篇解读】这是一篇记叙文。Polly阿姨让Tom把房屋门前的栅栏刷上油漆,他使出一个伎俩把这个累人的活交给了其他的孩子们来完成。最终,他发现了一个事实:人们总是对没拥有的东西或不应做的事情充满兴趣。
    词义猜测题。reward报酬;interest兴趣;ability能力;chance机会。根据上下文并结合选项,可猜测opportunity的意思是“机会”。

  • 第10题:

    单选题
    Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()
    A

    33 Feet (10 meters)

    B

    100 Feet (30 meters)

    C

    328 Feet (100 meters)

    D

    1200 Feet (366 meters)


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause?()
    A

    The keyboard driver needs to be updated.

    B

    There are conflicting serial ports.

    C

    The mouse driver needs to be updated.

    D

    The user is brushing the touch pad while typing.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    The cheek length of a block in inches should be about().
    A

    three times the circumference of a manila line

    B

    five times the diameter of a manila line

    C

    twice the diameter of its sheaves for manila line

    D

    twenty times the diameter of a manila line


    正确答案: D
    解析: 暂无解析

  • 第13题:

    Which of the following is closest in meaning to the underlined word "ambient" in Paragraph 2?

    A.Surrounding
    B.Familiar
    C.Foreign
    D.Local

    答案:A
    解析:
    词义题。根据画线词定位到第二段。该段描述了婴儿在子宫中听到的声音是来自于周围的语言。另外文章倒数第二段中也提到了“Newborns ‘not only have memorized…of their respective surroundinglanguage…”。所以“ambient”与“surrounding”的意思接近,本题选A。familiar“熟悉的”,foreign“ 外国的”,local“当地的”。

  • 第14题:

    Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()

    • A、33 Feet (10 meters)
    • B、100 Feet (30 meters)
    • C、328 Feet (100 meters)
    • D、1200 Feet (366 meters)

    正确答案:C

  • 第15题:

    Which of the following needs to be recycled due to dangerous amounts of gas contained inside its housing?()

    • A、CRT
    • B、Toner
    • C、Surge suppressor
    • D、LCD

    正确答案:A

  • 第16题:

    A user reports that the display on the laptop appears blurred. Which of the following is MOST likely the cause? ()

    • A、The LCD is not running in its native resolution.
    • B、LCD monitors do not appear blurred.
    • C、The drivers are improperly installed.
    • D、More video memory needs to be allocated.

    正确答案:A

  • 第17题:

    A customer has a combination of fifteen Windows file servers with direct attached storage and three Power Systems with AIX database servers SAN attached to a DS4700.  They would like to upgrade and plan for 40 TB capacity.  The customer needs to move to a more scalable storage system to include all servers.Which of the following would be most appropriate to ask first?()

    • A、What are the plans for Disaster Recovery? 
    • B、What are the plans for data migration? 
    • C、Would iSCSI meet your needs? 
    • D、How much space is available in the current storage systems?

    正确答案:B

  • 第18题:

    An administrator plans to attach an IBM DS6000 and needs to know if the fibre channel adapter is at the latest firmware level.  Which of the following is the fastest way for the administrator to determine the  atest supported microcode level ()

    • A、Call Techline
    • B、Validate via DS6000 menu
    • C、Access IBM Storage Website
    • D、Contact the IBM Business Partner

    正确答案:C

  • 第19题:

    单选题
    The resistance of a conductor varies ()
    A

    directly as its length and inversely as its cross-sectional area

    B

    inversely as its length and directly as its cross-sectional area

    C

    directly as its length and directly as its cross-sectional area

    D

    inversely as its length and inversely as its cross-sectional area


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    Which of the following is NOT the writer’s advice? ______
    A

    English should be added in interesting places.

    B

    Everyone in Yangzhou should speak English.

    C

    The Slender West Lake needs more signs along the trails.

    D

    The maps on the tickets for Ge Garden need improving.


    正确答案: D
    解析:
    细节理解题。本文第二段中作者提出了景点应该增加英文说明,门票后的地图有待改善以及瘦西湖需要更多的路标等。B项内容作者未提及,属于无中生有,所以选B项。

  • 第21题:

    单选题
    A System p administrator needs to set the default password length for all users to six characters.  Which of the following files needs to be edited to accomplish this ()
    A

    /etc/security/limits

    B

    /etc/security/mkuser.sys

    C

    /etc/security/priv

    D

    /etc/security/user


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    The length of a rectangular kitchen floor is 3 feet more than its width, if the length of the floor is 12 feet, what is the area of the floor in square feet?
    A

    9

    B

    15

    C

    42

    D

    108

    E

    44


    正确答案: C
    解析:
    已知矩形的长为12英尺,而长比宽多3英尺,所以矩形的宽为9英尺,那么矩形的面积=长×宽=12×9=108平方英尺。

  • 第23题:

    单选题
    If the length of RS is 12 and the length of ST is 13, which of the following could be the length of RT?
    A

    24

    B

    26

    C

    28

    D

    29

    E

    30


    正确答案: D
    解析:
    根据三角形不等式公理,三角形的第三边大于两边之差,小于两边之和,又因为RS =12,ST=13,所以可得出13-12< RT< 13+12,1 < RT< 25,在这个范围之间的选项只有A,即24。