A、
To set up a moon colony by 2020.
B、
To send astronauts back to the moon by 2020.
C、
To continue the current shuttle missions till 2020.
D、
To create more jobs for NASA till 2020.
【正确答案】
B
【答案解析】
A、
There were more important space missions.
B、
The space agency lacked technology for the programme .
C、
The current shuttle missions would continue.
D、
Congress failed to pass President Obama's budget.
【正确答案】
A
【答案解析】
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