The purpose of treating the cooling water of the diesel engine is to______. I、 resist the scale formation in the cooling chamber II、lubricate the engine part II III、increase thermal capacity IV、 resist corrosionA.I + IIB.II + IIIC.III + IVD.I + IV

题目

The purpose of treating the cooling water of the diesel engine is to______. I、 resist the scale formation in the cooling chamber II、lubricate the engine part II III、increase thermal capacity IV、 resist corrosion

A.I + II

B.II + III

C.III + IV

D.I + IV


相似考题

1.Richard Gray was a famous explorer ( 探险家 ) . He was also a millionaire. He had visited every country in the world. He had crossed Antarctica, flown across the Atlantic by balloon, and climbed Mount Everest. Last year he decided to walk across Death Valley, the hottest place on Earth. He walked for days over the hot desert sand. One night he found the camp where he had been the night before. Gray had walked in a circle. He was lost.Two days later he had drunk all his water. He couldn't walk. He crawled to the top of a sand dune (沙丘) ,and there he saw a man. The man was wearing smart, clean trousers, a white shirt and a tie. Gray crawled over to him.“Water⋯ water ⋯” he said.“I'm terribly sorry, old boy,” replied the man, “but I haven't got any water with me.”“Help me!” shouted Gray, “I'm a rich man…a millionaire… I'II give you anything. ”“That's very nice of you, old boy,” said the man. “Look, I can't give you any water, but would you like to buy my tie?”“A tie? Of course not! ” screamed Gray, and crawled away. He crawled slowly up the next sand dune. His mouth was full of sand. His lips were cracked (破裂) and dry. He I couldn't breathe.He reached the top of the dune and there he saw a huge good hotel.Girls were swimming in the large swimming pool. Beautiful fountains were all around the hotel.“Is it a mirage (幻景)? ” he thought. “Am I dying?”He stood up and staggered (蹒跚) down the dune.A waiter in shining white uniform. came out of the door.“Water ⋯water ⋯ a bath! Food! ” screamed Gray.“I'm sorry, you can't come into this hotel,” said the waiter.“Why not? I've got plenty of money. . . I'm a millionaire. ”“Ah,” replied the waiter,“ but you aren't wearing a tie! ”(1)The famous explorer _________.A、had crossed Antarctica and the Atlantic by balloonB、had traveled all over the worldC、had walked across Death ValleyD、had ever been a millionaire(2)The man offered to sell his tie to Gray because _________.A、he wished to get some money from GrayB、Gray was a rich manC、he didn't have any water with himD、he thought a millionaire needed to wear a tie(3)Gray saw _________ from the top of the next dune.A、a large good hotelB、many swimming boysC、a lot of drinking waterD、a beautiful mirage(4)At last Richard Gray_________A、got some water to drinkB、was not permitted to enter the hotelC、was very sorry for the waiterD、was dying(5)If Gray __________, he would have got some water to drink in the hotel.A、had got a lot of money with himB、had put on his tie at onceC、had said he was a famous millionaireD、had bought the tie from the man

参考答案和解析
正确答案:D
更多“The purpose of treating the cooling water of the diesel engine is to______. I、 resist the ”相关问题
  • 第1题:

    The little boy put the bird in a cage to ______ it from flying away.

    A、avoid

    B、prevent

    C、hinder

    D、resist


    参考答案:B

  • 第2题:

    If the symptoms persist,consult your doctor.

    A:insist
    B:persevere
    C:continue
    D:resist

    答案:C
    解析:
    本句意思:如果症状持续不消除,就得去看医生。persist维持,保持,持续存在。insist坚持,坚决要求;persevere孜孜以求,坚持;continue继续存在,持续;resist抵抗,抗拒。

  • 第3题:

    They had no maps to assist them.

    A:insist
    B:help
    C:assign
    D:resist

    答案:B
    解析:
    他们没有地图帮助。help“帮助”,例如:I can help you to do this.我可以帮你做这件事情。insist“坚持认为”,例如:He insisted that he was right.他坚持认为他是对的。 assign“布置,分派”,例如:The teacher assigned much homework to the students.老师给学生布置了很多作业。resist“抵制”,例如:I find it hard to resist the temptation of ice cream.我觉得很难抵制冰激凌的诱惑。只有help意思上和assist最接近。

  • 第4题:

    CO2 extinguishes a fire by __________.

    A.a blanket of bubbles formed on the surface of the fire

    B.smothering

    C.isolating the heat from the fuel

    D.cooling


    正确答案:B

  • 第5题:

    --May I get you something to drink?

    A.If you like
    B.Well, as you wish
    C.Yes, I'm fine
    D.Yes, water, please

    答案:D
    解析:
    考查交际用语。问句意为“您想喝点什么吗?”A项“如果你乐意的话”,B项“好,如你所愿”,C项“是的,我很好”,D项“好,我要水,谢谢”。当对方问自己是否需要某物时可以说Yes,please.表示接受,D项的回答最为恰当。

  • 第6题:

    5、定压加热循环(Diesel循环)适用于高速柴油机。


    错误