comment number twenty

And now 10 Amazing Facts about Pi.

The number Pi is the relation between the length of a circle and its diameter in Euclidean geometry. It is an irrational number 
and one of the most important mathematical constants. It is often used in mathematics, physics and engineering. I think this number is important but I do not understand a lot about  this number, it is very difficult.

comment number nineteen

Best of Big Bang Theory - "Stephen Hawking"

The Big Bang Theory is the predominant cosmological model for the oldest known periods of the universe and its subsequent large-scale evolution. It affirms that the universe was in a very high density state and then expanded. According to the Big Bang model, the universe expanded from an extremely dense and hot state and continues to expand to this day. This interested Steven Hawkings a lot. He like looking at this very much to discover new things for the unviverse and what he thought about God. 

comment number eightteen

Stephen Hawking, a unique brain.

Stephen Hawking was a theoretical physicist, astrophysicist, cosmologist and British scientific popularizer. The most important works he did were with Roger Penrose, and consisted in providing theorems regarding singularities. He was the head of the Lucasiana Chair of Mathematics from the University of Cambridge from 1979 until his retirement in 2009. I think that he was a very good person and liked by a lot of people. He was very clever 

comment number seventeen

John Wayne , popularly known as The Duke ,  was an American actor who began his film career in the 1920s. John Wayne was born in 1908 in Winterset, Iowa, and was called Marion Robert Morrison, although his parents changed the name to Marion Mitchell Morrison when they decided to call their next son Robert. His early years were marked by poverty. Duke was a good and popular student. He was very tall  for his age. He was a star football player at Glendale High School and was recruited by the University of Southern California (USC). 

Comment number sisxteen

Do you like travelling and making photographs?

Taking photos and travelling is good fun. What I like most is to take pictures, especially landscapes, flowers, animals in the wild… Photography is something very nice and I like it a lot  because I can take pictures of very nice things. I also like travelling a lot because you can discover very nice places and learn new customs and new people.

Comment number fiveteen

Formal letter writing

To write a formal letter for the B1 you must have a good content and presentation.  The layout and the cleanliness of your piece of writing is essential because you will have a better mark. An appropriate message is the most important thing and we should write as clean as possible. We have to do things well. 

Comment number fourteen

Why not Nigeria for our summer holidays?

We should go on holiday to Nigeria in summer because there are many things to do there we can also learn a lot from their culture and their customs. In Nigeria we can see many monuments for example Rock and Bower's Tower, we can also see museums for example Nike Art Center or Badagry Slave Museum.