题干

依次填入下面一段文字横线处的语句,衔接最恰当的一组是(3分)(   )
书法是易学难精的艺术。作为一门传统艺术, ___________。唯其如此,才能成为生活中真正的随心所欲不逾矩的书法大家。
① 它要求笔墨有出处,结字有法度
② 诚然,既定的法度有时会将书法限制死板
③ 传承是它显著的特征
④“穿着汉唐服装,舞出时代风采”
⑤ 但是一流的书法家都是从法度中走出来的
⑥ 不像现代艺术那样可以“天马行空为所欲为”

A:③①⑤④②⑥

B:①③⑤④②⑥

C:①③⑥②④⑤

D:③①⑥②⑤④

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D

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        Washington: NASA has announced evidence that Jupiter's largest moon, Ganymede, has a saltwater ocean under its icy surface. The ocean seems to have more water than all the water on Earth's surface, according to new Hubble observation.

         New Hubble observations of Ganymede's magnetic field strongly suggest that the moon, which is the largest in our whole solar system, is home to a subsurface ocean.

        Scientists estimate the ocean is 95 kilometers thick, which is about 10 times deeper than Earth's oceans. But unlike our salty waters, Ganymede's ocean is buried under 150 kilometers of ice.

         While scientists have speculated(推测) since 1970s about the presence of an ocean on Ganymede—the largest moon in our solar system—until now the only observational evidence came from a brief flyby by the Galileo spacecraft, which didn't observe the moon long enough to confirm a liquid ocean.

         This discovery marks an important milestone, highlighting what only Hubble can accomplish. In its 25 years in orbit, Hubble has made many scientific discoveries in our own solar system. A deep ocean under the icy surface of Ganymede opens up further exciting possibilities for life beyond Earth.

        Scientists have already confirmed the existence of an ocean on Europe, 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 planets as well.