单项选择题

What of the following correctly describe Cosmos I

A．It is a 3-ft. metal pod.
B．It has eight 35-ft. metallic wings.
C．It can fly an altitude above 260 miles.
D．When it flies back to Earth, it will fall into pieces.

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热门试题

单项选择题The territory which Thompson was exploring ______.

A．had been abandoned by the Mayas about thirteen hundred years previously
B．had been occupied and developed by the Mayas about thirteen hundred years before
C．had been deserted by the Mayas as soon as the Spaniards arrived
D．was conquered by the Mayas thirteen hundred years ago

单项选择题What abruptly ended Thompson’s dream of the past

A．The realization that this was only a time-consuming fantasy.
B．The glimpse of an important clue to future discovery.
C．A resolution derived from his fantasy that he must learn more about this great past city.
D．The locating of the mysterious Sacred Well.