练习：
1,These figures do not ___________ changes in the rate of inflation.
2.I wasn't convinced about the________ of the report.
3. The inventor was rewarded by the government for his scientific_________.
4. Books provide an ideal opportunity to _______ readers with something unknown.
5. Bill applies himself with great ardor to the__________ of professional knowledge.
take account of, accuracy, achievements, ,acquaintance, acquisition,
