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【单选题】
The “Cassini-Huygens” Saturn probe took ____ to reach the orbit around Saturn.
A.
7 months
B.
11months
C.
7 years
D.
11 years
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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】Countries that can launch lunar probes includes: ____.
A.
The United States
B.
Russia
C.
China
D.
India
【单选题】The most widely used manned space vehicle is ____.
A.
Manned spacecraft
B.
Space shuttle
C.
Aero-space plane
D.
Carrier rocket
【多选题】Main advantages of space shuttle over spacecraft are ____.
A.
Large payload
B.
Easy to take-off and landing
C.
Reusable
D.
More functional