Which of the following is not a previewing strategy? a. scanning the text for details which might trigger your prior knowledge c. skimming the topic sentences of the main body paragraphs b. predicting what the main idea of the text will be d. reading the first, middle, and last chapter.

an expression designed to call something to mind without mentioning it explicitly; an indirect or passing reference.

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.