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【单选题】
Which following re-entry mode has the largest overload? ____
A.
Purely ballistic
B.
Semi-ballistic
C.
Jumping
D.
Gliding
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【多选题】Spacecrafts using semi-ballistic re-entry mode include: ____.
A.
“"Shenzhou" series spacecraft
B.
"Soyuz" spacecraft
C.
"Apollo" spacecraft
D.
"Vostok 1" manned spacecraft
【单选题】The “Spirit” Mars pathfinder from the US has adopted ____ soft landing.
A.
Landing leg type
B.
Airbag bounce type
C.
Aerial crane type
D.
Rocket thrust
【多选题】The lunar probes adopt landing leg type soft landing are: ____.
A.
"Chang'e-3"
B.
"Phoenix"
C.
"Apollo" spacecraft
D.
"Curiosity"