更多"[单选题] ___________ is formed when th"的相关试题:
[单选题] When I was young, I was silly enough to _( )_ my teachers to know everything.
A. tell
B. ask
C. beg
D. expect
[单选题] Which channel and mode should be used when initiating a distress alert transmission ________．
A.Channel 6 DSC
B.Channel 6 Radiotelephony
C.Channel 13 Radiotelephony and channel 16 DSC
D.Channel 70 DSC
[单选题]When I try to find _____ that prevents so many people taking part in the program, it seems to me that there are two main causes.
A.what it does
B.what it is
C.why it does
D.why it is
[单选题]Only when I left my parents ________ how much I loved them.
A.I realized
B.I have realized
C.had I realized
D.did I realize
[单选题] For any given pedestal crane，when the boom is lengthened，the lifting capacity is ______．
A.unchanged
B.increased
C.eliminated
D.decreased
[单选题]当转弯手轮上的断开（DISCONNECT）按纽按下时（ ）When press in disconnection (DISCONNECT) button which on the handwheel ：
A.脚蹬不能进行前轮转弯控制The pedal can not control the nose wheel steering
B.转弯手轮不能进行前轮转弯控制the handwheel can't control the nose wheel steering
C.脚蹬不能进行方向舵控制Pedal can not control rudder
[单选题] When the density of the water is 1000, i.e. in fresh water and in summer zone a ship may load up to the upper edge of the line marked ___________.
A. S
B. T
C. W
D. F
[多选题]The cerebral arterial circle is formed by which of following arteries.（ ）
A.anterior communicating artery (前交通动脉) and posterior communicating arteries
B.original portions of the anterior cerebral arteries (大脑前动脉)
C.original portions of the middle cerebral arteries
D.original portions of the posterior cerebral arteries
E.terminal prtions of the internal carotid arteries
[单选题] Cumulonimbus clouds are formed by ______．
A.vertical air movements
B.heavy rainstorms
C.horizontal air movements
D.any movement of moist air
[单选题]当机轮温度过高时有什么警告？（ ）
When the wheel when the temperature is too high to have what warning?
A.ECAM，主警戒，声音，灯光
ECAM, the main warning, sound, lights
B.ECAM，主警戒，声音
ECAM, the main warning, sound
C.主警戒，声音，灯光
the main warning, sound, lights
[单选题] When should operational check on navigation equipment be done?
A. Regulary, when preparing for sea and entering port
B. As often as possible
C. When errors are indicated
D. When time allows
[单选题] A tide is called diurnal when
A. only one high and one low water occur during a lunar day
B. the high tide is higher and the low tide is lower than usual
C. the high tide and low tide are exactly six hours apart
D. two high tides occur during a lunar day
[单选题] When collecting condensation for drinking water，______．
A.A sponge used to mop up and store condensation must be kept salt free
B.Only condensation on the bottom of the canopy should be collected
C.It should be strained through a finely woven cloth
D.Chlorine tablets should be used to make it drinkable
[单选题] When transferring survivors from an enclosed lifeboat to a rescue vessel，personnel on board the boat should ______．
A.remove their life preservers to make it easier to climb on board the rescue vessel
B.climb on top of the boat while waiting for their turn to transfer to the rescue vessel
C.remain seated inside and make the transfer one person at a time
D.enter the water and swim over to the rescue vessel
[单选题] When administering artificial respiration，it is MOST important to ______．
A.Monitor blood pressure
B.Clear airways
C.Use the rhythmic pressure method
D.Know all approved methods
[单选题] When should voyage planning be done?
A. During the sailing
B. Prior the sailing
C. After sailing
D. Before the pilot is leaving
[单选题] When anchoring a vessel under normal conditions，which scope of chain is recommended ________．
A.Four times the depth of water
B.Two and one-half times the depth of water
C.Five to seven times the depth of water
D.Fifteen times the depth of water
[单选题] When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made ______.
A. with bow out，stern in
B. with bow in，stern out
C. parallel to the dock，as close in as possible
D. parallel to the dock，as far out as possible
[单选题] Anchors are prevented from running out when secured by the ______．
A.Brake
B.Devil's claw
C.Pawls
D.All of the above
