masks in class.B12 Students have to wear medical masks in class.B13 How deep is the deepest hole in the world? B13 How deep is the deepest hole in the world?  ……

to the scientists’ plans for the borehole?A. It will be the deepest hole in the world.A. It will be the deepest hole in the world.B. It is somewhere in the east of China.  B. It is somewhere in the east ……

世界上最深的洞有多深？世界上最深的洞有多深？How deep can humans go into Earth? This is a challenge for scientists around the world. To find out the answer, scientists tried to dig deep holes.How deep can humans go ……

世界上最深的洞有多深？世界上最深的洞有多深？How deep can humans go into Earth? This is a challenge for scientists around the world. To find out the answer, scientists tried to dig deep holes.How deep can humans go ……

the world. To find the answer, scientists try to dig deep holes.  Deepest point on EarthDeepest point on EarthThe deepest vertical (垂直的) hole in the world is the Kola Superdeep Borehole (科拉 ……

, it will become the deepest hole ever dug in China and one of the deepest in the world.  The drill...-quarter of the crust. The world’s deepest man-made hole, the Kola Superdeep Borehole ……

, it will become the deepest hole ever dug in China and one of the deepest in the world. It represents (代表..., it will become the deepest hole ever dug in China and one of the deepest in the world. It represents (代表 ……

, but from time to time, cars passed the farm. Near the farm gate, there was a large hole (洞) in the road. This hole was always full of water, and the drivers of the cars could not see how deep the hole ……

) in the road. This hole was always full of water. The drivers of the cars that passed by could not see how deep the hole was. They thought it was probably shallow (浅的). Then when they drove into the hole ……

style of martial artsC. how Lee succeeded in HollywoodD. how Lee became the world’s best... of martial artsC. how Lee succeeded in HollywoodD. how Lee became the world’s best fighter3 ……

These are the smallest butterflies in the world1. Their name is Grass Blue. 它们的身长只有5毫米。. ……

and is the deepest borehole (地上凿洞) in China.  This hole is called “Shenditake 1” (深地塔科1井). Digging... making a very deep hole. With it, scientists can look for treasures (宝藏) under the ground, like oil ……

old enemy? Muddy fun斯巴达勇士赛挑战极限Check out this crazy new race. Would you go in it? PAGES 4-5 Going deep探不到底的水下洞穴A scientist wants to find the deepest cave. How deep is it? PAGE 6 ……

towers! It’s the deepest borehole (地上凿洞) in China.  This hole is called “Shenditake 1 (深地塔科1井... their knowledge to keep on going. “Shenditake 1” wasn’t just about making a very deep hole ……

探访世界最深泳池探访世界最深泳池  How deep can you dive? In Poland, you can dive 45 meters. The country has the world’s deepest swimming pool. It is called DeepSpot. It opened last month.People call ……