Ⅰ. 单句语法填空
1. His footprints were clearly evident(evidence) in the heavy dust.
2. Careful examination(examine) of the ruins revealed an even earlier temple.
3. The farm has changed over to organic(organ) methods.
4. Nearly a third of the children were severely(severe) underweight.
5. I’m anxious(anxiety) that we should allow plenty of time.
6. If well used, books are the best of all things; if abused(abuse), among the worst.
7. He showed great courage by admitting on television that he is an alcoholic(alcohol).
8. The aim of these experiments was to find the connection, if any, between the two phenomena(phenomenon).
9. The unrest is getting more violent and more widespread(widespread).
10. A healthy diet should help your body resist infection(infect).