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国际储备（International Reserves）

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A. Send solar power into space.
B. Send solar power to the moon.
C. Get solar power from space to Earth.
D. Get solar power from Earth to space.

A. 4 to 6 times more power.
B. 7 to 8 times more power.
C. 1 to 2 times more power.
D. 8 to 9 times more power.

A. China.
B. Greece.
C. England.
D. South Africa.