2. What is being done to help them?A: I'm concerned about the blue whales. What do you know about them?B: Well, I know that they're being hunted and their number is getting dramatically smaller, so they're in danger of extinction. Blue whales need large and clear water habitats, so it's difficult for them to adapt to the changes.A: That's terrible. What measures are being taken to help them?B: The authorities are under pressure to make laws to ban illegal hunting whales and tell people not to buy whales products.Part 2: Listening and TalkingStep1：Listen to the tape, for the first time, and then ask the students to solve the following tasks.Choose the right ending for each sentence.1.Binoculars2. Build bird feeders3. Use a bird field guide4. Put paper cut-outs on windowsA. in order to identify birdsB. so that birds do not crash into them in order that .. .C. to make sure that birds have enough foodD. are used for watching birds from far away3. Listen and answer the questions.1. Who are the teenagers?They are from a bird watching club.2. Where are they?In the Qinling Mountains.3 What are they doing?They are searching for new wild birds and looking them up in their field guide.3. Why are they doing it?It is interesting and you can practice it anywhere.Step 2: Listen again and use the phrases you hear to fill in the blanks.