阅读理解。 1. ______ has the largest population among these countries. [     ] A. Italy B. Australia C. China 2. If you want to visit Big Ben (大本钟), you should travel to ______. [     ] A. Rome B. London C. Beijing 3. You can visit ______ in the country with the smallest population. [     ] A. the Opera House B. the Great Wall C. the Leaning Tower of Pisa (比萨斜塔) 4. From the form, you can find ______ in Western Europe. [     ] A. one country B. two countries C. three countries 5. Which of the following is TRUE according to the information in the form? [     ] A. Australia and Britain aren't English-speaking countries. B. Rome is a city in Southern Europe. C. Canberra is the capital of Italy.