150 word or more of the dictionary thesaurus and glossary and why we use it

Thesaurus- a thesaurus or dictionary of words with the same or nearly the same meanings, or synonyms, and their opposites, or antonyms, such as Thesaurus.com, available on the Internet or the World Wide Web, accessed through a web browser, and used by entering a query term into a search box on the site.

Dictionary- it is important to consider several advantages in the use of dictionaries. In the very early stages of learning, even an inadequate bilingual dictionary can provide an important support and be a quick reference book. In language learning/teaching process the importance of using dictionaries cannot be denied.

Glossary-A glossary is a list of terms: words, abbreviations, acronyms,etc., used frequently in a written work, giving the term and its full name, or its contextual meaning. The writer uses it to avoid the necessity of writing the full name or explaining the meaning every time it's used. The reader uses to find the meaning of unfamiliar terms or usages.

Here is why we use them  

mi hermana "sabe" bailar salsa. "conoces" tu el monumento la mitad del mundo? raul y yo sabemos al profesor de matematicas.

translated: my sister "knows" how to dance salsa. "do you know" the monument half of the world? raul and i "know" the math professor.

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.