¿Ï°
¹Ù·Î Àд ¹è°æÁö½Ä µ¶ÇØ LEVEL 4
¿À¸®¿£Å×À̼Ç
1-1.Benefits of Olive Oil
1-2.Welcome to Olive Trees
2-1.The Science of Sweat
2-2.The Birth of Gatorade
3-1.Maps from Long Ago
3.2.Google Street View
4-1.The life of the silkworm
4-2.The Silk Road
5-1.The True Value of a Medal
5-2.Olmypic Sponsorship
6-1.Who Invented the WWW?
6-2.Easy Internet Terms
7-1.History of Halloween
7-2.Stingy Jack and the Devil
8-1.Greenland is Not Very Green
8-2.Continent or Island?
9-1.Why a Gap Year?
9-2.A Year in Kenya
10-1.A Woman of Amazing Strength
10-2.The Art of Painting Oneself
11-1.Pluto and Eris
11-2.The Trojan War
12-1.Whales on the Beach
12-2.Awesome Whale Poop
13-1.The Veblen Effect
13-2.Which Cookie Tastes Better?
14-1.Pi Day
14-2.How Many Digit Are in Pi?
15-1.Protect the Environment
15-2.The Global Race
16-1.Why Are You Unhappy?
16-2.Give Me Your Shirt!