Read the following passage and answer questions. On the face of it, telescopes and data bases sound like very different things. Telescopes sit on the top of mountains, and are pointed at the skies; data bases sit on computer hard disks, humming away and
A. The contemporary astronomer needs to look at the sky from a mountain top.
B. The contemporary astronomer needs a telescope to explore the universe.
C. The contemporary astronomer needs heavy machinery to explore the universe.
D. The contemporary astronomer needs a telescope equipped with digital sensors to explore the universe.
