in Midfield, from where he regularly scores goals. Ronaldo started kicking a ball around when he was three. He played very skillfully. When he was ten years old, he joined Sporting Lisbon and became the only player in their history.

In 2009, Ronaldo joined his boyhood heroes Real Madrid and became the most expensive footballer in history. He earned a lot of money at that time. He broke Real’s scoring record in his second season with 53 goals in all competitions. In 2012, Diego Mara Dona said Ronaldo was “the best player on the planet”.

 He began to kick a ball when he was_______.

A. ten 

B. three 

C. twenty 

D. fifty three

Trong các câu sau câu nào đúng?

A. Dung dịch phenol làm đỏ quỳ tím

B. Phenol có tính axit mạnh hơn axit cacbonic

C. Phenol bị oxi hóa khi để trong không khí

D. Phenol thuộc loại rượu thơm

Tìm tập tất cả các giá trị của a để  a 5 21 > a 2 7

A.  0 < a < 1

B.  5 21 < a < 2 7

C.  a > 1

D.  a > 0