Question

7 illicit (il-lisit) -adjective years of illicit activities resulted in gene’s being sentenced to serve a life term in prison. ted’s business is illicit: he drives an unlicensed passenger van along a route that’s supposed to be used only by city buses. illicit means a. fake. b. unlawful. c. unprofitable. 8 irrevocable (ir-rĕvə-kə-bəl) -adjective layla would like to break off her engagement to ahmed, but she feels that her promise to marry him is irrevocable. giving a child up for adoption has become a subject of debate. should the mother be allowed to change her mind, or should her decision be irrevocable? irrevocable means a. not reversible. b. mistaken. c. not certain. 9 precipitate (prē-sĭpə-tāt) -verb mark’s search for a larger house was precipitated by his marriage to a woman with four children. the discovery that elliot had been setting fires precipitated his parents’ decision to send him to a child psychologist. precipitate means a. to bring on. b. to prevent. c. to permit. 10 proliferation (prō-lĭfər-āshən) -noun hana’s doctors hope that chemotherapy will halt the proliferation of cancer cells in her body. the proliferation of dandelions in my yard is too much for me to handle. they’re growing faster than i can destroy them. proliferation means a. damage.

Explanation:

1. For "illicit", the examples show illegal activities like serving a life - term for illicit activities and running an unlicensed business. So, it means unlawful.
2. For "irrevocable", the examples of an unbreakable marriage promise and an adoption - related non - changeable decision indicate it means not reversible.
3. For "precipitate", the examples of a marriage causing a search for a larger house and a fire - setting discovery leading to a decision to see a psychologist show it means to bring on.
4. For "proliferation", the examples of cancer cell growth and dandelion growth in a yard show it refers to growth or increase.

Answer:

1. B. unlawful
2. A. not reversible
3. A. to bring on
4. (No options for the last part in the provided content, but it generally means growth or increase)