Why did the people in Perth turn on their lights？
A. Because it was time for them to wake up.
Because they wanted to greet John Glenn.
C. Because they wanted to see Friendship 7.
D. Because they wanted to build the tracking station.
查看答案
The best title of the story is ______
A. Flights of Friendship 7
B. Tracking Station
C. Radio Network
D. John Glenn
It can be inferred from the story that ______
A. all tracking stations arc inside Perth, Australia
B. Friendship 7 stopped in the United States
C. radio equipment is important in space flights
D. John Glenn worked alone in the tracking station
During his flights, John H. Glenn, Jr. , could always reach a ______
A. tracking station
B. ship at sea
C. Mercury capsule
D. city of Perth
经常项目和资本项目下都实现了货币自由兑换，该国货币才能被列为可兑换货币。 ()
A. 正确
B. 错误
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