Explain Several Di... 63 into six and shared 2 (portions) The cake was divided among the team. (signified) We weren't sure what letter but it seemed serious. the language in the (supplemented) When we were students, each of us our savings with part-time jobs. (survived) Once when we were camping, we barely after a bear destroyed our supplies. Before You Read A. Read the first paragraph of the Reading 2. What is the main idea? Discuss it with a partner. In the following exercises, explore key words from Reading 2. A. Fill in the blanks with the correct words to complete the paragraph. consumption evolutionary life-sustaining selective voluntary There is a debate whether the food choices we make are voluntary or We all need to do activities like eat and drink. But people tend to be about their ERPI. Reproduction food choices as well as how they maintain their fitness. One challenge is the of junk food, as is time spent in front of TVs and computers. B. Draw an arrow (L) to indicate where in each sentence the word in parentheses should be placed. 0 (estimates) He usually the cost of joining a fitness club before choosing one. riting