The term flood current refers to that time when the water（）.

相似题目

• You create a data block based on a relation table containing a REF column. You select the REF column for your form module. Which statement about the REF column is true?（）

  A . It is created as a nondisplay item.  B . The Lock Record property is set to Yes.  C . It cannot be referenced in item level triggers.  D . It is placed on the canvas with the highest sequence number.

  查看最佳答案

• The stability which remains after a compartment is flooded is called（）.

  A . intact stability B . initial stability C . immersion stability D . damage stability

  查看最佳答案

• The flood made some of them（）

  A . poor-struck B . poverty-struck C . poverty-stricken D . poor-stricke

  查看最佳答案

• You create a data block based on a relational table containing a REF column. You select the REF column for your form module. What is true about the items based on the REF column attributes?（）

  A . The Query Only property is set to Yes.  B . The Conceal Data property is set to Yes.  C . The Insert Allowed property is set to Yes.  D . The Update Allowed property is set to Yes.

  查看最佳答案

• The starting current of an a-cmotor is （） the rated current.

  A . the same as B . much larger than C . less than D . equal

  查看最佳答案

• The emergency bilge suction or bilge （） is used to prevent flooding of the ship.

  A、injection valve B、relief valve C、discharge valve D、inlet filter

  查看最佳答案

• _____________the flood, the ship would have reached its destination on time.

  A、But for B、In case of C、In spite of D、Because of

  查看最佳答案

• You suspect that a hacker may be performing a MAC address flooding attack somewhere within the    network.  Which description correctly describes a MAC address flooding attack？（）

  A . The attacking device spoofs a source MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device. B . Frames with unique， invalid destination MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space， and traffic is subsequently flooded out all ports. C . The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the destination address found in the Layer 2 frames sent by the valid network device. D . The attacking device crafts ARP replies intended for valid hosts. The MAC address of the attacking device then becomes the source address found in the Layer 2 frames sent by the valid network device. E . The attacking device spoofs a destination MAC address of a valid host currently in the CAM table. The switch then forwards frames destined for the valid host to the attacking device. F . Frames with unique， invalid source MAC addresses flood the switch and exhaust CAM table space. The result is that new entries cannot be inserted because of the exhausted CAM table space， and traffic is subsequently flooded out all ports. G . None of the other alternatives apply

  查看最佳答案

• “Flooding back” is a condition where the liquid refrigerant （）.

  A . vaporizes in the condenser B . reaches the compressor through the suction line C . flashes in the liquid line D . condenses in the receiver

  查看最佳答案

• The navigational term SET OF CURRENT means（）.

  A . velocity of current in knots B . direction from which the current flows C . estimated current D . direction toward which the current flow

  查看最佳答案

• Fixed piping leads from the（）to various areas of the compartment to be flooded.

  A . manifold B . remote pull box C . discharge nozzle D . machinery space

  查看最佳答案

• They（）the flood after a heroic fight lasting five days and four nights.

  A . conquered B . combated C . won D . withdrew

  查看最佳答案

• The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.

  A . submerged hulls B . column void spaces C . dry mud tanks D . ballast tank

  查看最佳答案

• With the help of the government ， a large number of people ---_______ after the flood in 1991.

  查看最佳答案

• Irish in a New World was the flood of Irish into the ().

  查看最佳答案

• The earthquake plus the floods left hundreds of residents in the area ____ and homeless.

  查看最佳答案

• The floods were a _______ from which the local people never recovered.

  查看最佳答案

• Which of the following idioms best suggests “fierce floods and savage beasts”?

  查看最佳答案

• Phoenix is the key factor giving rise to the flood.

  查看最佳答案

• Some of the roads were flooded, ____ made our journey more difficult.

  查看最佳答案

• The Aswan Dam, for example, stopped the Nile flooding but deprived Egypt of the fertile silt that floods left-all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity.(英译中)

  查看最佳答案

• The central provinces have floods in some years, and______.

  A．drought in others B．droughts are others C．while other droughts D．others in drought

  查看最佳答案

• Someone must have left the tap on,____ the water was running over and flooding the kitchen.

  A．therefore B．for C．because D．nevertheless

  查看最佳答案

• The local government ______ food and clothes among the people in the flooded area.

  A．handed out B．handed in C．passed by D．passed away

  查看最佳答案