Ⅰ. 单句语法填空
1. Glass is used to make spectacles, microscopes and telescopes(telescope).
2. The boy was watching a mirror angled(angle) to reflect light from a window.
3. We still don’t know how many galaxies (galaxy)there are in the universe.
4. We could have flashed by one another like two pieces of cosmic(cosmos) dust.
5. The mission could conceivably(conceivable)be accomplished within a week.
6. Nanotechnology is the science of materials at the molecular or subatomic(subatom) level.
7. There are particles (particle)of dust in the air.
8. Breeze wafts yellow leaves in the air, Autumn watches, closely, silently, invisibly(invisible).
9. Could you fetch (fetch)me the apples that I bought from the supermarket?
10. Infections are spread by coughing, spitting, and sneezing(sneeze).
