Why does the author mention the specimen preserved in the birth canal?

• A、To illustrate that the embryo fossils are quite advanced in their development.
  
  

• B、To explain why the fossils are well preserved
  
  

• C、To explain why the fossils are well preserved
  
  

• D、To prove that ichthyosaurs are marine animals
  
  

All of the following are mentioned as factors that encourage fossilization except the

• A、speed of burying
  
  

• B、conditions of the water
  
  

• C、rate at which soft tissues decay
  
  

• D、cause of death of the animal
  
  

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The Olympic Games

The Olympic Games are an international sports competition, which are held every four years in a different city. ___26___ Over 1 billion people watch the games on TV.

The first Olympic Games were held in Greece in 776 B.C.They were called the ancient games and lasted until the 4th century A.D. ___27___ It was when the Frenchman Pierre de Coubertin revived the games to bring peace and friendship to the young people all over the world.

Today, there are summer and winter games. Up to 1994 both games were held in the same year,  but now they are staged two years apart from each other.

The Summer Games are held during the summer season of the host country.They last for 16 days.Today, there are more than 270 events during the games. Over 15, 000 athletes from 190 nations take part.

The first separate Winter Games were held in Chamonix, France in 1924.They usually take place in February.Today, the Winter Olympics include over 60 events. Athletes from more than 60 countries participate.

The International Olympic Committee or IOC is the organization that governs the games. ___28___The IOC also selects the host city for the summer and winter games, at least seven years before they take place.Cities that want the games must show that:

·They have enough stadiums for all events.

· ___29___ 

·They can provide safety for the athletes.

· They can transport athletes and spectators from one event to another.

·Host cities must build an Olympic village where all athletes live during the games.

The Olympic Games today have become very successful over the past years. ___30___And television stations are spending more money for the rights to broadcast the games. The IOC earns more money than ever before. With this money they help athletes in poorer countries.

 

A.It decides which sports and events are held at the games.

B.The modern games began in 1896.

C.Thousands of athletes from all over the world compete against each other.

D. Winter sports abound in Canada, where the winter Olympics will be held in 2014.

E.More and more people are able to watch them on TV.

F.They have enough room for all the athletes.