读短文，判断，正确的画(√)，错误的画(×)。 Hi! Everybody! I'm your friend. I live in a beautiful country. Do you know it? It is north of the U. S. It's a big country. The capital is Ottawa. In my country, people speak English and French. Do you know Niagara Falls? It's a famous waterfall in my country. The Rocky Mountains are famous, too. Our flag is very beautiful. It has a leaf. Do you know what country it is? (     ) 1. The Rocky Mountains and Niagara Falls are in this country. (     ) 2. The U. S. is north of it. (     ) 3. There is a leaf in the flag. (     ) 4. — What is the country?  — It's the U. K.