Scientists_have_already_confirmed_the_existence_of_an_ocean_on_Europa,_another moon orbiting Jupiter, and NASA has announced plans to send an unmanned mission there searching for the life that might come with liquid water.

　　Hubble is a telescope that orbits Earth, but because of its impressive gravitational analyses it can be used to study the inside of far distant planets. Using these same principles, scientists could theoretically detect oceans on distant exoplanets as well.

　　语篇解读：本文是一篇资讯报道。NASA证实木星的最大卫星Ganymede上有海洋，这一发现再次拓宽了科学家的视野，使探寻太阳系内地球以外的生命的努力更进了一步。

　　1.What can we learn about Ganymede from the passage?

　　A．It is a planet with the largest moon in our whole solar system.

　　B．Its ocean adds to people's excitement about life beyond Earth.

　　C．It will be used by NASA as a base for the Hubble telescope.

　　D．Its liquid ocean was first proved by the Galileo spacecraft.

　　解析：选B　推理判断题。根据第五段最后一句“A deep ocean under the icy surface of Ganymede opens up further exciting possibilities for life beyond Earth.”可知，木星卫星Ganymede上海洋的存在激发了人们探索地球以外的生命的热情。故选B项。

　　2．Which of the following best describes the writer's attitude towards Hubble?

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