The speed of radio waves is equal to ________of light.A. thoseB. thatC. the oneD. the ones
The speed of radio waves is equal to ________of light.
A. those
B. that
C. the one
D. the ones
相关考题：
It ’s unfair ________ most women do not earn equal pay for equal work. A. whyB. thatC. whatD. which
The computer, working very fast, _________data at the speed of light.A． handlesB． handlingC． handledD． has handled
The spur geared mooring winches have advantages over worm geared ones in .A.higher efficiency of the gear train while reversingB.the higher gear ratioC.the multi-start featureD.higher recovering speed
The correction to be applied to a LoranC reading when matching a sky wave to a ground wave may be found______．A.on loran charts covering areas where sky waves are usedB.in the Radio Aids to Navigation PUB 117C.in the LoranC Correction TablesD.Sky waves cannot be matched to ground waves in LoranC to produce a usable reading
( ) people are my friends. ( ) people are my husband's friends.A. These, ThoseB. This, ThatC. Here, There
The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason isA.the rotate speed fluctuationB.the ventilation tube cloggedC.the main engine accelerate so fastD.stormy waves
When the prime movers of two paralleled generators are equipped with mechanical-hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will .A.pick up more of any increase in loadB.pick up less of any increase in loadC.share an equal amount of any increase in loadD.drop an equal amount of any decrease in load
An aneroid barometer is an instrument ______.A.used to measure the speed of windB.in which the pressure of air is measuredC.that tells which direction a storm is coming fromD.used to measure the height of waves
The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before（ ）,and later opened the road for television.A.was capturedB.capturedC.capturingD.has been captured
在After Effects 6.5的渲染（Render）特效里，不用设置关键帧就可以自动生成动画的特效有：（）A、高级闪电（Advance Lighting）B、闪电（Lightning）C、电波（Radio Waves）D、棋盘格（Checkerboard)
What is A WAN?（）A、A network that is restricted.to A single building ,A group of buildings, or even A single room.B、A network that encompasses an entire city or metropolitanared and connects multiple LANs.C、A network that connects client devices wirelessly using radio waves.D、A network that crosses metropolitan, regional, or national boundaries.
Which of the following is the maximum transmission speed for iSCSI？（）A、1GbpsB、2Gbps Full-DuplexC、Equal to the speed of the linkD、100Mbps
单选题（）is a radio receiver with ablity to sense direction of the incoming radio waves.AThe echo sounderBThe radarCThe course recorderDThe direction finder
单选题The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）Athe rotate speed fluctuationBthe ventilation tube cloggedCthe main engine accelerate so fastDstormy waves
单选题An aneroid barometer is an instrument（）.Aused to measure the speed of windBin which the pressure of the air is measuredCthat tells which direction a storm is coming fromDused to measure the height of waves
单选题The apparent wind can be zero when the true wind is from（）.Aahead and equal to the ship's speedBastern and equal to the ship's speedCahead and equal to twice the ship's speedDastern and equal to twice the ship's speed
单选题The spur geared mooring winches have advantages over worm geared ones in（）Ahigher efficiency of the gear train while reversingBthe higher gear ratioCthe multi-start featureDhigher recovering speed
单选题Important changes to charts and lights（including temporary ones），radio signals and sailing directions are listed in（）.AWeekly Admiralty Notices to MarinersBThe Mariners HandbookCOcean Passages for the WorldDSymbols and Abbreviations used on Admiralty Charts，Chart 5011
单选题When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will （）.Apick up more of any increase in loadBpick up less of any increase in loadCshare an equal amount of any increase in loadDdrop an equal amount of any decrease in load
单选题The flywheel reduces speed fluctuations by （）Amaintaining a constant rack settingBstoring kinetic energyCmaintaining equal exhaust pressureDmaintaining even camshaft speed
单选题A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.ADistress alertBSafety alertCEmergency alertDGeneral alert
单选题The radio waves used for radar are very short，only（）long.Aa few centimetersBa few fathomsCa few metersDa few feet
单选题The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found（）.Aon loran charts covering areas where sky waves are usedBin the Radio Aids to Navigation，PUB 117Cin the Loran-C Correction TablesDSky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
单选题（） thrust and resistance equal each other, the ship always travels at a constant speed.AAs long asBAs far asCAs well asDUnless
单选题An electronic depth finder operates on the principle that（）.Aradio signals reflect from a solid surfaceBsound waves travel at a constant speed through waterCradar signals travel at a constant speed through waterDpressure increases with depth
单选题Some radio waves（）the surface of the earth because of its（）.Aare capable of following / distanceBcan follow / altitudeCcan hardly follow / shapeDare unable following / angle