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【简答题】
Members should always take their __ with them.
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举一反三
【单选题】Students entering the design competition have to
A.
produce an energy-efficient design.
B.
adapt an existing energy-saving appliance.
C.
develop a new use for current technology.
【多选题】Which following is true about the re-entry angle of the spacecraft’s return stage? ____.
A.
The re-entry angle is the angle between the direction of the spacecraft’s flight speed and the local horizon.
B.
If the re-entry angle is too small, the spacecraft might been destroy due to high temperature.
C.
If the re-entry angle is too large, the spacecraft might skim the atmosphere.
D.
If the re-entry angle is too large, the spacecraft might been destroy due to high temperature.
【单选题】Which following re-entry mode has the largest overload? ____
A.
Purely ballistic
B.
Semi-ballistic
C.
Jumping
D.
Gliding
相关题目：
【单选题】Students entering the design competition have to
A.
produce an energy-efficient design.
B.
adapt an existing energy-saving appliance.
C.
develop a new use for current technology.
【多选题】Which following is true about the re-entry angle of the spacecraft’s return stage? ____.
A.
The re-entry angle is the angle between the direction of the spacecraft’s flight speed and the local horizon.
B.
If the re-entry angle is too small, the spacecraft might been destroy due to high temperature.
C.
If the re-entry angle is too large, the spacecraft might skim the atmosphere.
D.
If the re-entry angle is too large, the spacecraft might been destroy due to high temperature.
【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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