单选题The main touch of the shell is _____.A to strengthen the pilings of the houseB to give the house a better appearanceC to protect the wooden frame of the houseD to slow down the speed of the swelling water

题目
单选题
The main touch of the shell is _____.
A

to strengthen the pilings of the house

B

to give the house a better appearance

C

to protect the wooden frame of the house

D

to slow down the speed of the swelling water

相似考题

1.If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to_______the engineA.stopB.startC.speed upD.slow down

2.To "shore up" the main deck for the stowage of deck cargo means to ______.A.weld pad eyes on deck in proper position to secure the cargoB.strengthen the main deck by placing pillars underneath it in the tween-decksC.distribute the weight of the cargo by placing fore-and-aft planks on the main deckD.package the cargo in wooden crates so it will not damage the deck

3.Which effect does speed through the water have on a vessel which is underway in shallow water ________．A.A decrease in the speed results in a decrease in steering response and maneuverabilityB.An increase in speed results in the stern sucking down lower than the bowC.An increase in speed results in the vessel rising on an even planeD.A decrease in speed results in the vessel sucking down on an even plane

4.The burglar was caught__________.A．while he left the houseB．when he was left the houseC．as he was leaving the houseD．as soon as he was leaving the house

参考答案和解析
正确答案： D
解析：
推论题。第六段第二句提到，外壳就是起个隐藏木桩的作用，这样房子就不会看起来像是卷起裤子的腿，因此，好看的外形是红木外壳的主要作用。故B为答案。
更多“单选题The main touch of the shell is _____.A to strengthen the pilings of the houseB to give the house a better appearanceC to protect the wooden frame of the houseD to slow down the speed of the swelling water”相关问题

  • 第1题：

    The ______ is used when a ship is moving forward at very slow speed due to minimal water flow over the rudder and the ship is not responding to helm．

    A.approach speed

    B.bow thrust

    C.transverse thrust

    D.kick ahead


    正确答案：D

  • 第2题：

    Which WAN technology was designed to give homes and small business high speed digital dial-up service over already existing communication infrastructure?（）

    • A、X25
    • B、Frame Relay
    • C、ATM
    • D、ISDN
    • E、ATX
    • F、None of the above

    正确答案:D

  • 第3题：

    单选题
    What is the function of the thrust bearing?（）
    A

    Prevents lateral movement of the slow speed gear

    B

    Transmits propeller thrust to the hull

    C

    Keeps spring bearings in line

    D

    Prevents main reduction gear axial movement


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    After the order “（）” is given, the air system is shut down, the turning gear put in, all drains and indicator cocks opened, and the cooling water and lubricating oil systems kept running.
    A

    Stand-by Engine

    B

    Stop Engine

    C

    Finished With Engine

    D

    Dead Slow Ahead


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    Which effect does speed through the water have on a vessel which is underway in shallow water （）.
    A

    A decrease in the speed results in a decrease in steering response and maneuverability

    B

    An increase in speed results in the stern sucking down lower than the Bow

    C

    An increase in speed results in the vessel rising on an even plane

    D

    A decrease in speed results in the vessel sucking down on an even plane


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    In a large, slow-speed, main propulsion diesel engine, which of the parts listed is under tension when the engine is running?（）
    A

    Bed plate

    B

    Column

    C

    Entablature

    D

    Tie rod


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    The second stage feed-water temperature and shell absolute pressure in a multistage, flash type, distilling plant is （）
    A

    higher than the first stage feed-water temperature and absolute shell pressure

    B

    lower than the first stage feed-water temperature and absolute shell pressure

    C

    the same as the first stage feed-water temperature and absolute shell pressure

    D

    not related to the feed-water temperature and absolute shell pressure


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    It can be inferred from the second paragraph that______.
    A

    low-altitude clouds are the main causes of global warming.

    B

    increase of cloud cover can slow down the climate change.

    C

    global warming will increase cloud cover.

    D

    increase of cloud cover can speed up the global warming.


    正确答案： D
    解析：
    推理判断题。根据题干提示定位至第二段。该段low-level clouds tend to dissipate as the ocean warms—which means a warmer world could well have less cloud cover，可推知B increase of cloud cover can slow down the climate change与之相符，故为正确答案；D 含义与B相反,故排除；由第二段第二句Low-altitude clouds reflect some of the sun’s radiation back into the atmosphere, cooling the earth.可知，A错；第二段最后一句It’s not yet known whether global warming will dissipate clouds or increase cloud cover，故排除C。

  • 第9题：

    单选题
    Telescopic pipes to the piston of a large slow-speed main propulsion diesel engine are designed to prevent （）.
    A

    excessive crankcase pressure

    B

    excessive lube oil temperature

    C

    contamination of the lube oil by water

    D

    contamination of the cooling water by lube oil


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    A large, low-speed, main propulsion diesel engine uses sea water to directly cool the （）.
    A

    cylinder heads

    B

    exhaust valves

    C

    scavenging air

    D

    injectors


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    When the vessel on the full speed ahead, if full astern immediately （） the main engine start astern and fuel injection.
    A

    after the thrust power is zero

    B

    after the torsion is zero

    C

    surpass the critical point on the water turbo phase

    D

    after the speed is zero


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    （）is placed in the front of the ship under the water,which eases berthing or ma-noeuvering sideways at slow speed.
    A

    The bulbous bow

    B

    The anchor

    C

    The bow thurster

    D

    The propeller


    正确答案： B
    解析： 暂无解析

  • 第13题：

    “Rex told me you have moved．”
    “Yes,into a_______．”

    A.two-storey house
    B.house of two story
    C.house of two stories
    D.two-stories house

    答案：A
    解析：
    暂无解析

  • 第14题：

    单选题
    It is abnormal that when the engine is being turned by the turning gear or by hand, （）.
    A

    water discharges from the indicator cocks

    B

    no water is leaking into crankcase

    C

    no water in the scavenge belt

    D

    the rpm is lower than the speed of Dead Slow Ahead


    正确答案： D
    解析： 暂无解析

  • 第15题：

    单选题
    When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）
    A

    reduce fuel feeding

    B

    increase fuel feeding

    C

    keep original fuel feeding

    D

    be overspeed


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.
    A

    direct action of cam shaft

    B

    compressed air pressure

    C

    hydraulic “push rods”

    D

    direct action of the main piston moving down


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    The main touch of the shell is _____.
    A

    to strengthen the pilings of the house

    B

    to give the house a better appearance

    C

    to protect the wooden frame of the house

    D

    to slow down the speed of the swelling water


    正确答案： A
    解析：
    推论题。第六段第二句提到，外壳就是起个隐藏木桩的作用，这样房子就不会看起来像是卷起裤子的腿，因此，好看的外形是红木外壳的主要作用。故B为答案。

  • 第18题：

    单选题
    What color exhaust will be exhibited when a slow speed two-stroke/cycle main propulsion diesel engine, designed to operate on light and heavy fuel oil, is operated on insufficiently preheated heavy fuel oil?（）
    A

    White

    B

    Black

    C

    Blue

    D

    Clear


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    It is not feasible to build sea defenses to protect against erosion because _____.
    A

    it is too costly and will endanger neighbouring areas

    B

    the government is too slow in taking action

    C

    they will be easily knocked down by waves and currents

    D

    house agents along the coast do not support the idea


    正确答案： C
    解析：
    细节推断题。文章第三段第二句指出，政府勘察人员说建拦海大坝是不可能的，不仅要花费数亿英镑的高额费用，而且如果建起海防会使海浪沿着海岩向前涌去，把问题从一个地区移向另一个地区。通过比较，A项符合文意。

  • 第20题：

    单选题
    In slow speed two-stroke engines,（）the fresh air entering begins when and stops as（）
    A

    the inlet port is opened by the up coming piston； the port is closed by the down going

    B

    the inlet valve is opened by the down going piston；the inlet valve is closed

    C

    the inlet port is opened by the down going piston；the port is closed by the up coming

    D

    the inlet valve is opened


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Huff raised the house 2.7 meters off the ground on timber pilings in order to _____.
    A

    withstand beak winds of about 200 km/hr

    B

    anchor stronger pilings deep in the sand

    C

    break huge sea waves into smaller ones

    D

    prevent water from rushing into the house.


    正确答案： D
    解析：
    细节题。文章第五段指出，使房子提升离地2.7米的目的是让波涛从房底下流过而不能进入房屋。选项D“防止水涌入房屋”与文章第五段相符，故D为答案。

  • 第22题：

    单选题
    A possible cause for an individual piston to knock when at TDC on a slow-speed, two-stroke/cycle main propulsion diesel engine could be due to （）
    A

    early fuel injection

    B

    excessive bearing play within the running gear

    C

    overloading of the cylinder

    D

    all of the above


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    （） are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.
    A

    Doors

    B

    Aspirate gauzer

    C

    Coupling

    D

    Blind


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    She told me that she was then living in a _____.
    A

    two-stories wooden house

    B

    wooden two-story house

    C

    two-story wooden house

    D

    wooden house two storied


    正确答案： B
    解析：

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