单项选择题

According to the writer, "interstellar travel" serves as __________.

A．a practical way to escape the end of the world
B．nothing more than postponing the end of the world
C．a way hopping from planet to planet
D．a way to escape from gravity

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热门试题

单项选择题

What may be the reason for human being's leaving the stage

A．The force of nature.
B．The force of God.
C．Human being's rationality.
D．The command of DNA.

单项选择题

The writer cites Jascha Heifetz's example because __________.

A．he is a famous violinist
B．he quits the concert stage at his peak
C．his quitting the stage gives some inspiration to human beings
D．he is adorned by his audience