Page 15 - Demo

A.Complete the sentences using the words in the box. One word is extra.apparentlyawareexperience (n)interactrecordsingle1.Whales generally come up to breathe every 15 minutes, but some can hold their breath for up to an hour on a(n) dive.2.Some people are not that many of the whales they see on whale-watching tours are later killed in areas where whaling is still allowed.3., there are some whale species that do not seem to migrate at all. They spend the entire year in one place.4.Many of those who have swum with whales have described the as life-changing.5.Scientists who study whales use special technology to the sounds they make underwater.B. Read the information. Then complete the definitions using the words in redLike humpbacks, blue whales sing complex songs. And like humpbacks, they are endangered. Fortunately, there are now laws that protect them. Today, although their exact number is unknown, the blue whale population is growing. Scientists are curious to know more about blue whale behavior, so they have placed cameras on them. Through these cameras, it is possible to watch the whales as they swim, eat, and interact with each other. Scientists have discovered that during breeding seasonfemales migrate to food-rich areas to have their babies.1.If something is , it has many parts and is difficult to understand.2.A(n) refers to a particular period of time during the year.3.If something is , you have no information about it.4.When people or animals , they spend time together and communicate.5.Someone who is about something wants to learn or know more about it.COMPLETIONDEFINITIONSVOCABULARY PRACTICEC.The prefix inter- means %u201cbetween%u201d or %u201ctogether,%u201d as in the word interact. Complete the sentences using the words in the box.actionnationalview1.She was offered an inter for a job as a member of a whale research team. 2.Saving endangered whales is going to require inter cooperation. 3.Many studies focus on the inter between male and female humpbacks.WORD PARTS28Unit 2A