B. READING I: Read the passage. Circle the best answer A, B, or C to each of the questions.
Judo, one of the most popular martial arts, comes from Japan and it is quite well-known in Viet Nam. When we do judo, we will learn some basic techniques in throwing, grappling, and striking. We learn them carefully and steps by steps so that we do not have to worry too much about injuries. Judo teaches us how to train our bodies and minds as well as how to use our energy in the best way. It first appeared in the Olympic Games in Tokyo in 1964 and since 1972 it has been an official event in the Olympic Games. Vietnamese judokas – people who do judo – have won some international recognition and are trying their best to win first medals in the Olympic Games. 21. What is the passage mainly about? A. The development of judo. B. The development and benefits of judo. C. The development of judo in Viet Nam. 
22. What does the word It in bold in the paragraph mean?
A. Energy. B. Mind. C. Judo.
23. What is one of the benefits of practising judo? 
A. Knowing how to throw people. B. Learning to control our bodies. C. Winning medals in competitions.
24. When did Judo first appear in the Olympic Games?
A. In 1954. B. In 1964. C. In 1968.
25. How many Olympic medals did Vietnamese judokas win in 1972?
A. None. B. One C. Two.