1. B.The test driver made a wrong judgement
2. D.They have generally done quite well
3. A.He works at a national park
4. B.They were making a lot of noise
5. A.The discovery of a new species of snake
6. C.A snake crawled onto his head in his sleep
7. D.From its colour
8. C.His flight is leaving in less than 2 hours
9. B.By credit card
10. A.Give him a receipt
11. D.Posting a comment on the hotel's webpage
12. C.He has stopped making terrible faces
13. D.Warn him of danger by making up a story
14. A.They could break people's legs
15. B.One would have to shave their head to remove a bat in their hair
16. A.Everything seemed to be changing.
17. B.Meeting people.
18. C.He was a young student in the 1960s.
19. A.They avoid looking at them.
20. D.It focus its eye on their mouths.
21. C.By taking in their facial expressions as a whole.
22. C.They resort to different means to survive the bitter cold.
23. B.They consume the energy stored before the long sleep.
24. D.By storing enough food beforehand
25. A.To stay safe