Chapter 3: Mastery Test 7

A. Skim each of the following paragraphs. Then, identify the idea that correctly states the topic. (Hint: one idea is too general to be the topic; another idea is too specific.)


		1. ¹Often called the "forgotten nutrient," water is essential to life. ²Without it, you could live only about one week. ³About 65 to 70 percent of your body weight is made up of water in the form of blood, saliva, sweat, urine, cellular fluids, and digestive enzymes. ⁴In all these various forms, water helps transport nutrients, remove wastes, and regulate body temperature. — Pruitt & Stein, Health Styles, 2nd ed., p. 107.

		2. ¹Fear of skin cancer has given sun exposure a bad rap. ²However, a healthy body needs short daily doses of sunlight. ³Direct sunlight helps the body produce vitamin D, and vitamin D helps the body absorb calcium. ⁴Sunlight also stimulates the body to produce two important chemicals. ⁵One is serotonin, which helps stabilize your moods. ⁶The other is melatonin, which helps regulate your sleep cycle.

		B. Read the following group of ideas and then answer the questions that follow. a. Hemingway developed his style as a reporter for the Kansas City Star. b. Hemingway used short sentences and active, simple language. c. American novelist Ernest Hemingway developed a writing style that earned him the Nobel Prize in literature. 3. Statement (a) is

		4. Statement (b) is

		5. Statement (c) is

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