更多"A safe water daymark has what shape"的相关试题:
[单项选择]they are（）with envy and jealousy at what has happened to their sister.
A. consumed
B. overjoyed
C. hideous
D. grief-stricken
[单项选择]What is a lighted safe water mark fitted with to aid in its identification（）.
A. A spherical topmark
B. Red and white retroreflective material
C. A sequential number
D. A red and white octagon
[单项选择]The Earth has the shape of a(n) （）.
A. sphere
B. oblate spheroid
C. spheroid of revolution
D. oblate eggoid
[单项选择]Deballasting a double bottom has what affect on KG?（）.
A. KG is increased
B. KG is decreased
C. KG is not affected
D. KG increases at light drafts and decreases at deep drafts
[多项选择]Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? （）
A. Router1 has specific boot system command that instruct it to load IOS from TFTP server.
B. Router1 is acting as a TFTP server for other routers.
C. Router1 cannot locate a valid IOS image in flash memory.
D. Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.
E. Cisco routers will first attempt to load a image from TFTP for management purposes.
[单项选择]The girl sometimes has difficulty（）what the teacher says in class.
A. understand
B. understanding
C. to understand
D. understood
[单项选择]What type of stern tube bearing has the least friction（）.
A. Oil-lubricated bearings
B. Lignum vitae
C. Hard rubber
D. Bronze bushings
[单项选择]Your ARPA has two guard zones.What is the purpose of the inner guard zone（）.
A. Alert the watch officer that a vessel is approaching the preset CPA limit
B. Warn of small targets that are initially detected closer than the outer guard zone
C. Guard against target loss during critical maneuvering situations
D. Sound an alarm for targets first detected within the zone
[名词解释]安全保护距离safe protection distance
[单项选择]The pillar shape that gives the greatest strength for the least weight is the（）.
A. octagonal pillar
B. H Beam pillar
C. I Beam pillar
D. circular type pillar
[单项选择]Safe mode模式是（）。
A. DOS密令标准模式
B. 安全模式
C. 安全启动模式
D. 标准模式启动
[单项选择]"视觉2020"行动制定的防治沙眼的策略是"SAFE"。"SAFE"的意思是（）
A. 治疗沙眼需应用抗生素，应注意用药的安全
B. 手术、抗生素、清洁脸部和改善环境
C. 由于沙眼是衣原体感染所致，因此进行沙眼防治时应注意患者的安全
D. 治疗沙眼引起的倒睫时应注意安全
E. 由于沙眼是衣原体感染所致，因此进行沙眼防治时应注意医师的安全
[单项选择]Safe welding practice requires （）
A. checking the area for items that may catch fire
B. that a fire watch be posted
C. checking for the explosive gases
D. all of the above
[单项选择]When steering a tow downstream around the shape of a sand bar，and staying on the proper side of the buoys，an operator should be cautious of（）.
A. eddies under the bar
B. swift current under the bar causing loss of control
C. cross-currents pushing the tow away from the bar
D. cross-currents pushing the tow into the bar
[单项选择]The arrangement and shape of the cams on a diesel engine camshaft directly control which of the listed groups of operating conditions?（）
A. speed, torque, and horsepower production
B. firing order, valve timing, and valve lift
C. fuel consumption, efficiency, and cylinder pressure
D. scavenge pressure, compression ratio, and exhaust pressure
[单项选择]Is it safe（）a rocket?
A. to shoot
B. to fire
C. to let go
D. to send to sky
