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1、Unit7Done with this task.Your score: 89% 窗体顶端Part I: Vocabulary and StructureSection A: Choose the best way to complete the sentences.1. Dogs share many of the same _ as humans and can easily show emotion. A. attributes B. distributes C. tributes D. reattributes 2. Compared to my pet frog, that hors
2、e seemed like a _ animal. A. miniature B. typical C. giant D. short 3. It might be hard to believe but some ants are _ of carrying more than ten times their body weight! A. capable B. capability C. able D. ability 4. Over millions of years, animals on Earth _ and adapted to many different environmen
3、ts. A. grew B. involved C. developed D. evolved 5. Polar bears are able to stay warm in such cold places because they have a thick _ of fat beneath their fur. A. layer B. coat C. sheet D. stack 6. Many animals, like chipmunks, live underground in vast networks of _ that they dig. A. holes B. tunnels
4、 C. openings D. caves 7. Elephants are often called _ animals because of their size, beauty, and elegance. A. enormous B. magnificent C. interesting D. compelling 8. Scientists have been studying DNA for years but theyve only _ a fraction of the information it contains. A. covered B. recovered C. di
5、scovered D. uncovered 9. Charles Darwin suggested that humans and apes, such as chimpanzees, shared a similar _ from a common ancestor. A. descent B. ascent C. descendent D. descendant 10. There is a famous story about a lion that had a thorn stuck in its _. A. hand B. paw C. hoof D. flipper 11. Whe
6、n he wants to go outside, my dog will _ bark at the front door until someone opens it. A. unreliably B. previously C. distractedly D. repeatedly 12. Penguins may look a little silly walking on land, but they _ through water beautifully. A. leap B. glide C. squirm D. drape 13. When a tiger shows its
7、teeth, thats an _ that it is about to attack. A. indicate B. indicative C. indication D. indicating 14. Many fish swim with a gentle side-to-side _ of the fins and tail. A. motion B. motive C. motor D. motel 15. I could see a subtle _ of sadness on the face of my cat when I left for work this mornin
8、g. A. clue B. motion C. hint D. gust 16. Parrots have the ability to _ the sounds they hear around them. A. produce B. reproduce C. pronounce D. mispronounce 17. Some species of birds can fly for miles simply by gliding on a _ of wind. A. breeze B. motion C. gust D. hint 18. The sign said that the _
9、 age of Mildred, the zoos oldest gorilla, is around 45. A. exact B. exactly C. approximately D. approximate 19. She divided the dog food _ among all the puppies. A. evening B. eventually C. even D. evenly 20. I wore a sweater and a jacket, but the cold wind still managed to _ to my skin! A. uncover
10、B. filter C. penetrate D. navigate Section B: Complete each sentence with a suitable word.21. His son decided to go back to school to work animal behaviour research. Your answer Correct answer on on 22. Our cats are just the same age. Your answer Correct answer about about 23. Polar bears are someti
11、mes forced to go the ice to find food. Your answer Correct answer under under 24. Her research brings many interesting questions. Your answer Correct answer up up 25. Learning about animals alive during the time of the dinosaurs is difficult, but scientists are, bit bit, making progress. Your answer
12、 Correct answer by by 26. Many dog owners project all human emotions their pets, even when its ridiculous to do so. Your answer Correct answer onto onto 27. Dont hang the phone. I want to talk to Thomas too. Your answer Correct answer up up 28. Marilyn has so many pets that I find it hard to keep track them all. Your answer Correct answer of of 29. My cat has been acting slow and tired, but I put that down the recent heat and humidity.
