单选题The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is ().A they operate between 150 and 450 rpmB they are connected to the propeller by gearingC their smaller size and weightD they can be connect

题目
单选题
The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is ().
A

they operate between 150 and 450 rpm

B

they are connected to the propeller by gearing

C

their smaller size and weight

D

they can be connected directly to the propeller without gearing


相似考题
参考答案和解析
正确答案: A
解析: 暂无解析
更多“The reason why more and more of the large merchant vessels a”相关问题
  • 第1题:

    Inside, this large plane looks more like a high building than a plane.翻译


    参考答案:从里面看,这架大飞机更像一幢高楼而不像一架飞机。

  • 第2题:

    Why are you interested in applying Unilever? (No more than 300 letters)


    正确答案:
             

  • 第3题:

    A SOLAS passenger ship safety certificate is required on all ______.

    A.T-Boats carrying more than 49 passengers for hire

    B.T-Boats that carry more than 12 passengers on an international voyage

    C.T-Boats carrying more than 150 passengers for hire

    D.large excursion vessels on lakes,bays,sounds,and river routes


    正确答案:B

  • 第4题:

    There is no reason they should limit how much vitamin you take,( )they can limit how much water you drink.

    A.much more than
    B.no more than
    C.no less than
    D.any more than

    答案:D
    解析:
    考查比较结构。A项意为“比...多得多”;B项意为“和……一样不,仅仅”;C项意为“多达”;D项no...more than意为“两者都不”,其强调形式为not...any more than。由于前一句已有否定词no,因此D项正确。故本题选D。句意:正如他们无权限制人们喝多少水一样,他们也没有理由限制人们摄入多少维生素。

  • 第5题:

    单选题
    What is mentioned as a reason why the world market is being globalised?
    A

    The developing countries can get goods and services from western countries only.

    B

    Some western multinationals are eager to reap profits from other countries.

    C

    The developed countries depend more on resources of the developing countries.

    D

    The world is becoming more connected through internet and telecommunications.


    正确答案: B
    解析:
    细节题。由题干定位到文章第六段。该段最后一句说明,发展中国家不仅可以从西方国家,也可以从其他发展中国家那儿取得所需的商品和服务,故A项错误;文中并未提及西方跨国公司是为了从其他国家获取利益才把市场全球化,也没有提及西方国家的发展需要依赖发展中国家的资源,故可排除B、C两项。该段谈到促成市场全球化的三个因素:全球市场自由化、便捷的互联网和低廉的电子通信、发展中国家和西方国家以及其他发展中国家之间的联系。选项D表述的正是第二个促成因素,故答案为D项。

  • 第6题:

    单选题
    Reading a large number of books ______ make us wiser. The more we read, the more we know.
    A

    can

    B

    would

    C

    need


    正确答案: A
    解析:
    句意:多读书能使我们更明智。读书越多,我们知道的就越多。本题考查情态动词。can表能力,常译作“可以;能够”。would为“will”的过去式,做情态动词表示“将;愿意”。need需要。may可能。A项符合句子逻辑。

  • 第7题:

    单选题
    The Rules state that vessels may depart from the Rules when().
    A

    there are other vessels in the vicinity

    B

    operating in a traffic separation scheme

    C

    engaged in a situation involving more than two vessels

    D

    necessary to avoid immediate danger


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    The first reason that the British do not buy snow-ploughs is that   ______.
    A

    spreading salt is good enough

    B

    old people need more money

    C

    snow-ploughs are not used often

    D

    the hospital is more important


    正确答案: C
    解析:

  • 第9题:

    多选题
    Identify three reasons that explain why assigning more than one managed serve achieve better  performance than running one managed server with more resources?()
    A

    Thread management inside the JVM process might be less effective than context switching between processes on the OS level. It is better to combine both these technologies to achieve full saturation of resources.

    B

    Current CPUs are multicore units. So starting managed servers in the amount of physical cores and pinning them 1:1 to cores will always get the best performance.

    C

    By a combination of prioritization of processes on the OS level and Work Manager in WLS, one  could tune the whole environment more precisely.

    D

    Assigning more than one managed server to hardware will never bring better performance.

    E

    More instances means more connections to databases, so one could serve more concurrent  calls on the database level. This is primarily why this approach will give better performance numbers.

    F

    Depending on the profile of the application, having more JVMs with smaller heaps will lead to more predictable response times than fewer JVMs with a large heap.


    正确答案: F,A
    解析: 暂无解析

  • 第10题:

    单选题
    Required lifesaving equipment on existing vessels may becontinued in use on the vessel if().
    A

    kept on board no more than 2 years

    B

    inspected and serviced every 6 months

    C

    destroyed if more than 5 years old

    D

    maintained in good and serviceable condition


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    Upon receipt of a distress message,a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?()
    A

    The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress message

    B

    There are vessels closer to the distress scene that are proceeding to assist

    C

    The Master of the vessel in distress has requisitioned another vessel,and that vessel has accepted the requisition

    D

    You are on a tanker and the distress involves a major fire on board the other vessel


    正确答案: B
    解析: 暂无解析

  • 第12题:

    填空题
    Why are more and more people able to work at home?Because of the increasing use of ____.

    正确答案: the Internet
    解析:
    细节题。由录音中的第一句话“With the increasing use of the Internet”可知,由于网络的发展,在家办公变得越来越平常了,这里填the Internet。

  • 第13题:

    there is no reason that they should limit how much vitamin you take ____ they can limit how much water you drink.

    A. any more than

    B. no more than

    C. much more than

    D. no less than


    参考答案:A

  • 第14题:

    Why was Goldman disappointed at first? (No more than 10 words)


    正确答案:

    Because few customers used his carts.

  • 第15题:

    There is no reason they should limit how much vitamin you take,____they can limit how much water you drink.

    A.no less than

    B.not any more than

    C.no more than

    D.much more or less

    答案:B
    解析:
    题目意为“他们没有理由限制你摄入多少维生素,正如他们没有理由限制你喝多少水。”no...more than或no/not any more than意为“与……同样不”。选项A意为“不少于,多达”,选项B意为“与……同样不”,选项C意为“只是,只不过”,选项D意为“差不多”。
      

  • 第16题:

    Identify three reasons that explain why assigning more than one managed serve achieve better  performance than running one managed server with more resources?()

    • A、Thread management inside the JVM process might be less effective than context switching between processes on the OS level. It is better to combine both these technologies to achieve full saturation of resources.
    • B、Current CPUs are multicore units. So starting managed servers in the amount of physical cores and pinning them 1:1 to cores will always get the best performance.
    • C、By a combination of prioritization of processes on the OS level and Work Manager in WLS, one  could tune the whole environment more precisely.
    • D、Assigning more than one managed server to hardware will never bring better performance. 
    • E、More instances means more connections to databases, so one could serve more concurrent  calls on the database level. This is primarily why this approach will give better performance numbers.  
    • F、Depending on the profile of the application, having more JVMs with smaller heaps will lead to more predictable response times than fewer JVMs with a large heap.

    正确答案:C,E,F

  • 第17题:

    单选题
    Why do workers want more money?
    A

    Because their jobs are too boring.

    B

    Because they want to enjoy more spare time.

    C

    Because they want to make their jobs more interesting.

    D

    Because they want to demand shorter working hours.


    正确答案: B
    解析:
    本题的依据句是第三段的第三句话“But perhaps they want more only because the work they do is so boring”,因此A项为正确答案。

  • 第18题:

    单选题
    A vessel with a large GM will().
    A

    have more resistance to listing in case of damage

    B

    have less tendency to have synchronous rolling

    C

    be less likely to have cargo shift

    D

    ride more comfortably


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    One possible reason why women have better memories than men is that _____.
    A

    they have a wider range of interests

    B

    they are more reliant on the environment

    C

    they have an unusual power of focusing their attention

    D

    they are more interested in what’s happening around them


    正确答案: A
    解析:
    细节题。第三段末说,妇女比男人的记忆力要好一些,原因是妇女对环境给予更多的注意,这与D项“她们对事情发生的环境更感兴趣”属同义转述。

  • 第20题:

    单选题
    A SOLAS passenger ship safety certificate is required on all().
    A

    T-Boats carrying more than 49 passengers for hire

    B

    T-Boats that carry more than 12 passengers on an international voyage

    C

    T-Boats carrying more than 150 passengers for hire

    D

    large excursion vessels on lakes,bays,sounds,and river routes


    正确答案: A
    解析: 暂无解析

  • 第21题:

    问答题
    Why is the decline of good manners more worrying according to the passage?

    正确答案: Because it can seriously affect our daily life.
    解析:
    推断题。根据文章第二段后半句对于粗鲁当道的种种表现的描述,以及第三段中提到的,这些行为对我们的生活造成不安、不可预料以及令人不快的影响,甚至会引起比犯罪行为更多的不安,可以推断,它会严重影响我们的日常生活。

  • 第22题:

    单选题
    The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is ().
    A

    they operate between 150 and 450 rpm

    B

    they are connected to the propeller by gearing

    C

    their smaller size and weight

    D

    they can be connected directly to the propeller without gearing


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    The reason why the writer raises funds for cancer research is that ______.
    A

    she herself is suffering from cancer

    B

    the cancer is the most frightening disease

    C

    a number of her relatives died of cancer

    D

    some cancer research needs more money than other research


    正确答案: B
    解析:
    答案在第三段中。第三段说作者周围有很多人死于癌症,这正是“The reason why the writer raises funds for cancer research”。A项、B项和D项在文中均没有提及。故选C。

  • 第24题:

    单选题
    One reason for quick population increase in underdeveloped countries is that ______.
    A

    those countries encourage people to have large families

    B

    people can get government support if they have more kids

    C

    improved public health standards have reduced death rate greatly

    D

    those countries have enough resources to support a large population


    正确答案: B
    解析:
    答案从文章第一段的前两句话找得。在第一段第二句话末尾提到了“thanks to improved standards of public health. ”可知,公共健康标准的提高是“不发达国家人口增长快”的原因,所以选C。