Units 3 - 4 精听填空 -2023-2024学年高中英语人教版（2019）选择性必修第四册

选择性必修四 Unit3 Craig: Here at the camp we are __1__ about whales! Today you have been helping us with our whale research. First of all, we asked you to find out some facts for a whale ____2___. What did you find, Sally? Sally: There are over 80 different species of whales. These include the blue whale, the ___3___ known animal to have ever existed. They can grow to 100 feet long, and can __4___ nearly 200 tons! There are two __5__ types of whale: those with teeth, and those without. Those without teeth eat very small organisms, whereas those with teeth eat fish and other larger sea animals. More than 70 species of whales have teeth. Craig: Great! Then, we asked you to think about why we do whale research. Yes, Ben. Ben: Firstly, it is to ___6___ how many whales there are. Whales are threatened by many ___7___, including climate change, ____8____, and hunting. Secondly, it is to track where whales go, so we can understand more about them, like their life cycle. Lastly, we know that whales are very ____9____. They communicate and hunt using complex sounds, and even sing and share songs. They can learn by themselves and can ___10__ the things they have learnt to their young. We want to understand more about this. Craig: Very good, Ben. And lastly, we asked you to go out with us and write a report of the work we do. Can you give us your report, Luke? Luke: Yes. First, we followed a group of whales with the boat. Then we took pictures of their fins. Most whales have ____11____ different fins and marks, which can help us to tell them apart. Meanwhile, we also noted their location, so we can track their movements and plot their ____12____ path. Later, we created a database of their fins and locations. After that, we gave the group of whales a name, and each member a number. They will be added to the directory so we can ____13____ them in the future. Finally, we ____14____ other whale research groups around the world to share the information with them. Craig: Excellent! Tha