1). A blog is like an online diary where you write about something you're interested in. That is, I like basketball, so I write a lot on my blog about my favorite team.2). I stream videos and music. For example, I watch videos and listen to music online.3). A search engine is a tool that helps you find what you're looking for.Step 5 Speaking---Work in pairsTake turns to ask each other about your online habits.A: How much time do you spend online every day?B: Oh, it's hard to say. Sometimes I'm too busy to go online. Sometimes I spend more than four hours online. How about you?A: It depends. I'd say from half an hour to three hours.B: What do you usually do online?A: I listen to music, stream videos, or look up information. And you?B: Lots of things. I especially like to chat with my friends and family. By the way, what's your favorite app?A: Well, English Fun Dubbing.B: Why do you like it?A: Because there are lots of streams and I can dub interesting English movie clips so I can learn English in a fun way.B: Sounds amazing. A: OK, let me teach you how to download the app.B: Thanks a lot.Part B Listening and Talking---choose the best appStep 1 Before-listening Look at the pictures and try to express them in English.