33-50 Unit 4

5. not modern or popular
6. a line or pattern which looks like a Z or a row of Zs joined together
9. tasting extremely good
10. describes people, especially children, who are polite and who act in a quiet and pleasant way
12. an extremely large wave caused by movement of the Earth under the sea
13. on a computer, a program which protects the screen by automatically producing a moving image if the computer has not been used
16. a teenager (= a person between 13 and 19 years old), especially a girl, who eagerly follows the most recent fashion
17. the yellow, middle part of an egg
18. something that is surprising because it is so much bigger than the usual size

1. vitamin B1
2. an Australian river mammal with a wide beak whose young are born from eggs
3. a list of questions that several people are asked
4. a tall cupboard in which you hang your clothes, or all of the clothes that a person owns
7. the belief that a dead person's spirit returns to life in another body
8. able to be trusted
11. unable to be stopped or prevented from developing
14. a device for controlling a machine from a distance
15. an infectious disease spread by dirty water and food