30. Where did scientists discovered the first dinosaur bones?

a. In China　　　　 b. In England　　　　 c. In The U.S.A

29. When did the last dinosaurs die?

a. about 65 million years ago　 b. about 65 thousand years ago　 c. about 65 billion years ago

28.　 It is a type of exercise that requires you to move quickly and suddenly.

a. aerobic exercise　　　 b. anaerobic exercise　　　　 c. Basketball

27.　 Snakes are reptiles and whale is a

a. mammal　　　　 b. fish　　　　　　 c. the same as dolphin

26.　 These animals are solitary animals and spend most of their time alone in trees. They have a very beautiful yellow skin with large spots.

a. Leopards　　　　 b. Lepards　　　　　 c. Leoperds

25.　 This is a meat-eating plant.

a. cactus　 　　　　b. venus flytraps　　 c. vines with thorns

24.　 What is the fastest speed a bird can fly?

a. 50 kph　　　　 b. 100 kph　　　　　 c. 150 kph

23.　 When a metal gets hot it

a. becomes a tin 　b. becomes a silver　 c. expands

22.　 It keeps us healthy, helps us grow and make us strong.

a. Exercise　　　 　b. Food　　　 c. Vitamins

21. Our nearest planet.

a.　　　 Venus　　　 b. Mars 　　　c. Mercury