1. Why do plants often fall their leaves down during dry season?

• Because the weather is hot.

• Because it is the life of nature.

• Because it need to survive itself.

What does "WWW" stand for in Website browser?

• World Wide Web

• Wide World Web

• World Web Wide

4. How many bones are in the human body?

• 200

• 204

• 206

• 208

5. An author, Mr. Nhork Thaem wrote a famous story in Cambodia name ........

• Tum Teav

• Phkar Srapon

• Kolab Bailin

5. What is the hardest thing?

• Rock

• Diamond

• Gold

• Metal