Early______ of hearing loss is ______ by the fact that the other senses are able to compensate for moderate amounts of loss, so that people frequently do not know that their hearing is imperfect.

The ______ science of seismology has grown just enough so that the first overly bold theories have been ______ .

Nonviolent demonstrations often create such tensions that a community that has constantly refused to ______ its injustices is forced to correct them: the injustices can no longer be ______.

Since 1813 reaction to Jane Austen's novels has oscillated between ______ and condescension; but in general later writers have esteemed her works more highly than did most of her literary ______.

There are, as yet, no vegetation types or ecosystems whose study has been ______ to the extent that they no longer ______ ecologists.