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The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward．This is the signal to ______．A.raise the boomB.raise the hookC.raise the boom and hookD.check the boom stop

题目

The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward．This is the signal to ______．

A.raise the boom

B.raise the hook

C.raise the boom and hook

D.check the boom stop

相似考题

1.The hunter ______ on his back with his eyes half closedA.laidB.liedC.layD.lain

2.A man has a burn on his arm. There is reddening of the skin，blistering，and swelling. Using standard medical terminology this is a ______.A.major burnB.secondary burnC.second-degree burnD.blister burn

3.How should you signal the crane operator to hoist ________．A.With forearm vertical and forefinger pointing up，move hand in small horizontal circlesB.With arm extended downwards and forefinger pointing down，move hand in small horizontal circlesC.Extend arm with fingers closed and thumb pointing upwardD.Place both fists in front of body with the thumbs pointing upward

4.In our class, when the bell rang and the teacher closed his book, it was a___________ for everyone to stand up.A. signal B. chance C. mark D. measure

更多“The signal man assisting a crane operator has his arm extended with his fingers closed and ”相关问题

  • 第1题：

    How should you signal the crane operator to lower the boom and raise the load ________．

    A.Extend arm and point finger in the direction to move the boom

    B.Extend arm with thumb pointing downward and flex fingers in and out

    C.With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    D.With arm extended downwards and forefinger pointing down，move hand in small horizontal circles


    正确答案：B

  • 第2题：

    How should you signal the crane operator to lower the boom?______.

    A.With arm extended and fingers closed, point thumb downward

    B.With arm extended downwards and forefinger pointing down, move hand in small horizontal circles

    C.Extend arm with the palm down, and hold this position rigidly

    D.With hands clasped in front of your body


    正确答案：A
    你应怎样指挥起货机手落放吊杆?伸开臂膀握紧拳头拇指向下

  • 第3题：

    How should you signal the crane operator to stop?______.

    A.Place both fists in front of your body with thumbs pointing pointing outward

    B.With both arms extended out and palms down, move arms back and forth

    C.Extend arm with the palm down and hold this position rigidly

    D.Clasp hands in front of your body


    正确答案：C
    你应怎样指挥起货机手停止？展开臂膀手掌向下并坚挺的地保持这个位置

  • 第4题：

    The dog has always been considered man′s best friend.Always noted for being particularly?faithful in watching over children,he also has his place by the fireside,in the cow pasture,on the?sheep range(放牧区),and beside the hunter in forest.He is easy to train,works hard,and often?performs astonishing feats.And in the frozen polar regions he was once the principal motive power,before being lately displaced by the plane and helicopter.
    Because he howls or whines in the presence of impending death,the dog was once thought to?have supernatural powers and believed to be capable of seeing gods and ghosts invisible to men.Actually,the.basis for these beliefs lies in the hound′s sensibility to people′s feelings and his superior?hearing ability and sense of smell,which enable him to detect signs hidden from human observation.His record of saving lives is outstanding,for he often gives warning of fire and other dangers not noticed by his master.
    The dog′s major contribution,however,has been to medical research.Both his diet and his?structure are comparable to those of the human being,and so he has been the subject Of countless?demonstrations and experiments.Open-heart surgery has been made possible largely because of the?dog.But his sacrifice has repaid his own species as well by safeguarding it from rabies(狂犬病),distemper,and other diseases.

    The dog has always been noted for__________.

    A.protecting children
    B.assisting shepherds
    C.helping hunters
    D.herding cattle

    答案：A
    解析：
    【考情点拨】事实细节题。【应试指导】文章第一段第二句前半句指出，狗总是以特别忠实地照看孩子而出名。

  • 第5题：

    单选题
    How should you signal the crane operator to hoist?（）.
    A

    With foremarm vertical and forefinfer pointing up ,move hand in small horizonal circles

    B

    With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

    C

    Extend arm with fingers closed and thumb pointing upward

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： B
    解析： 暂无解析

  • 第6题：

    单选题
    It is surprising that Americans who worship variety and individuality _____.
    A

    still judge a man by his clothes

    B

    hold the uniform in such high regard

    C

    enjoy having a professional identity

    D

    will respect an elevator operator as much as a general in uniform


    正确答案： A
    解析：
    细节题。首段首句提到，美国人虽然崇拜多样性和个性，但对制服却情有独钟。

  • 第7题：

    单选题
    How should you signal the crane operator to move slowly（）.
    A

    Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa

    B

    Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired

    C

    First tap your elbow with one hand and then proceed to use regular signals

    D

    First tap the top of your head with your fist and then proceed to use regular signals


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    How should you signal the crane operator to lower the boom and raise the load（）.
    A

    Extend arm and point finger in the direction to move the boom

    B

    Extend arm with thumb pointing downward and flex fingers in and out

    C

    With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    D

    With arm extended downwards and forefinger pointing down，move hand in small horizontal circles


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    How should you signal the crane operator to stop?（）.
    A

    Place both fists in front of the body with the thumbs pointing outward

    B

    With both arms extended out and palms to down, move arms back and forth

    C

    Extend arm with the palm down and and hold this position rigidly

    D

    Clasp hands in front of you body


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    How should you signal the crane operator to dog everthing?（）.
    A

    Place both fists in front of the body with the thumbs pointing outward each other

    B

    Clasp hands in front of your body

    C

    Extend arm with the palm down and and hold this position rigidly

    D

    Extend arm with the thumb pointing up, and flex the finger s in and out


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    A man has a burn on his arm. There is reddening of the skin，blistering，and swelling. Using standard medical terminology this is a（）.
    A

    major burn

    B

    secondary burn

    C

    second-degree burn

    D

    blister burn


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
    A

    danger，stay away

    B

    all is clear，it is safe to pass

    C

    the vessel is anchored

    D

    a distress signal


    正确答案： C
    解析： 暂无解析

  • 第13题：

    How should you signal the crane operator to move slowly ________．

    A.Use one hand to give any motion signal，and place the other hand motionless in front of the hand giving the motion signa

    B.Extend arm with the thumb pointing up，and flex the fingers in and out for as long as the load movement is desired

    C.First tap your elbow with one hand and then proceed to use regular signals

    D.First tap the top of your head with your fist and then proceed to use regular signals


    正确答案：A

  • 第14题：

    How should you signal the crane operator to raise the boom?_________.

    A.Extend arm with the thumb pointing up and flex the fingers in and out

    B.Place both fists in front of the body with the thumbs pointing upward

    C.With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    D.Extend arm with fingers closed and point thumb upward


    正确答案：D
    你应怎样指挥起货机手提升吊杆？伸开臂膀手指握紧拇指向上

  • 第15题：

    How should you signal the crane operator to dog everyting?______.

    A.Place both fists in front of your body with thumbs pointing toward each other

    B.Clasp hands in front of your body

    C.Extend arm with the palm down and hold this position rigidly

    D.Extend arm with the thumb pointing up, and flex the fingers in and out


    正确答案：B
    怎样指示起货机向上将货物钩住。

  • 第16题：

    The boy lay in the street，his eyes_______and his hands______．

    A.closing；trembling
    B.closed；trembled
    C.closing；trembled
    D.closed；trembling

    答案：D
    解析：

  • 第17题：

    单选题
    How should you signal the crane operator to raise the boom?（）.
    A

    Extend arm with the thumb pointing up and flex the fingers in and out

    B

    Place both fists in front of the body with the thumbs pointing upward

    C

    With forearm vertical and forefinger pointing up,move hand in small horizond circles

    D

    Extend arm with the fingers closed and thumb upward


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to（）.
    A

    raise the boom

    B

    raise the hook

    C

    raise the boom and hook

    D

    check the boom stop


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    How should you signal the crane operator to swing?（）.
    A

    With both arms extended out and palms to down, move arms back and forth

    B

    With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

    C

    Extend arm and point finger in the direction to move boom

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    How should you signal the crane operator to stop in an emergency?（）
    A

    Extend arm with the palm down and hold this position rigidly

    B

    Place clasped hands in front of your body

    C

    Extend arm and move hand rapidly right and left with the palm down

    D

    Place both fists in front of the body with the thumbs pointing outward


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    How should you signal the crane operator to hoist（）.
    A

    With forearm vertical and forefinger pointing up，move hand in small horizontal circles

    B

    With arm extended downwards and forefinger pointing down，move hand in small horizontal circles

    C

    Extend arm with fingers closed and thumb pointing upward

    D

    Place both fists in front of body with the thumbs pointing upward


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    How should you signal the crane operator to raise the boom and lower the load?（）.
    A

    Extend arm with the palm down and and hold this position rigidly

    B

    Place both fists in front of the body with the thumbs pointing outward each other

    C

    Clasp hands in front of you body

    D

    Extend arm with the thumb pointing up, and flex the finger s in and out for as long as the load movement is desired


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.
    A

    danger，stay away

    B

    all is clear，it is safe to pass

    C

    all is clear，it is safe to approach

    D

    a distress signal


    正确答案： D
    解析： 暂无解析

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