企业记账后发现会计人员将应计入管理费用的2 000元误记为20 000元（记账凭证没错），则应

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

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

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

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.Placed 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 your body with thumbs pointing pointing outward

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

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

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

During which condition should the operator of a pedestal crane shutdown operations ()

A.Lightning in the vicinity

B.An approaching squall line

C.A fire on the pier

D.All of the above

During which condition should be operator of a pedestal crane shutdown operations？

A.Bunkering

B.High winds

C.Potable water spill on deck

D.More than 3°list

In a western restaurant, how should you signal to the waiter that you are ready to Order()？

A.Call the waiter out loud

B.Snap your fingers to the waiter

C.Close the menu

D.Place the menu off to the side