The U. S. Constitution requires that the president should be a ______ -year-old native born American citizen, living in the States for 14 years.

单项选择题Question 7 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.

单项选择题In the United Kingdom, police officers are not allowed to join ______ or to go on strike.

单项选择题Questions 6 to 8 are based on the following news. At the end of the news item, yon will be given to seconds to answer each question. Now listen to the news.

单项选择题Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.