The
lunar probes adopt landing leg type soft landing are: ____.
A: "Chang'e-3"
B: "Phoenix"
C: "Apollo"
spacecraft
D: "Curiosity"
lunar probes adopt landing leg type soft landing are: ____.
A: "Chang'e-3"
B: "Phoenix"
C: "Apollo"
spacecraft
D: "Curiosity"
A,C
举一反三
- the next three flights will test rendezvous of the manned spacecraft and the unmanned lunar landing craft in the earth orbit. A: docking B: communication C: appointment D: unification
- Before the first Apollo rocket went to the Moon, a spot for landing the lunar module was carefully chosen. A: climate B: latitude C: sea D: location
- Unit Check 11 短听力选择 -7[br][/br] 听一遍，选择正确答案 A: Make a forced landing B: Change the landing airport C: Return for landing D: Circle in the holding pattern
- 词汇与结构 If only one landing gear leg fails to extend, the pilot has ________ landing on the available gear legs, or landing with all the gear legs retracted.
- 词汇与结构If only one landing gear leg fails to extend, the pilot has ________ landing on the available gear legs, or landing with all the gear legs retracted. A: the adjustment of B: the adoption of C: the adaption of D: the option of
内容
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词汇与结构If the landing gear _________ is limited to one main landing gear leg , the pilot should consume as much fuel from that side of the airplane as practicable, thereby reducing the weight of the wing on that side.
- 1
Belly landing and gear-up landing are the same.
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The landing gear consists of ( )and ( ). A: two main landing gears B: a nose landing gear C: shock-absorbing strut D: extension and retraction system
- 3
A belly landing or gear-up landing is when an aircraft lands without its landing gear fully ------------. A: extend B: extended C: retract D: retracted
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In the event of failure of only one landing gear _____ , the pilot may choose to retract all the gear. A: brake B: leg C: crank D: tire