Question

sobre o texto Wash Up! 1) Paragraph 1 can best be described as a(n) A. map introduction, in which the author puts forth a claim, and then summarizes the major points behind that argument B. background introduction, in which the author gives important information the reader needs to know about the topic C. question introduction, in which the author poses a question that he or she will answer in the main part of the passage D. personal introduction, in which the author explains how he or she relates to the topic E. anecdotal introduction, in which the author relates the topic to everyday life in order to get the audience interested 2) At the end of paragraph 1, the author writes, “oil and water don’t mix.” Which of the following sentences from the passage best outlines the scientific explanation behind this expression? A. “Instead, it [soap] is an emulsifier; it can help hydrophilic and hydrophobic substances dissolve into one another.” B. “Hydrophilic, or water-loving, compounds can dissolve in water, while hydrophobic, or waterfearing, compounds such as oils do not dissolve in water.” C. “Bacteria are living organisms, and anti-bacterial soaps contain a chemical additive—usually Triclosan—that disrupts the biological operations of bacteria they come into contact with, causing the bacteria to die.” D. “Human skin and hair secrete oils that trap dirt, bacteria, and other undesirable substances close to the body, where it can be accidentally inhaled or swallowed.” E. “The soap molecule contains two parts: a carboxylate group and a long hydrocarbon chain.” 3) Which of the following statements does NOT describe one of soap’s unique chemical properties? A. It is an emulsifier. B. Its molecules contain a hydrocarbon chain. C. It disrupts the biological operations of bacteria. D. Its molecules contain a carboxylate group. E. It is neither hydrophilic nor hydrophobic. 4) As used in paragraph 4, which is the best synonym for virulent? A. water-loving B. water-hating C. disgusting D. alive E. harmful 5) Which of the following subtitles would be most appropriate for this passage? A. Soap Through the Ages: A Brief History of Clean B. The Many Forms and Uses of Soap C. The Science Behind Soap’s Cleaning Power D. The Fall of Anti-bacterial Soap E. Why Oil and Water Don’t Mix 6) The author likely writes about anti-bacterial soaps in paragraph 4 to A. explain that some types of soap work differently B. prove to the reader that he or she knows about many different types of soaps C. warn readers about the dangers of inferior soaps D. inform readers about the new and improved, “next generation” of soaps E. establish that viruses are more dangerous than bacteria

Answer 1

Resposta:

nao entendi muinto bem

Explicação:

nao sei engles