单项选择题
Question 7 and 8 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the question.Now listen to the news.
What did the researchers discover in northern Kenya?（）
A．Three species of humans. B．Three human fossils. C．A human skull. D．A human tooth.
单项选择题 What is the main idea of the news item?（）
单项选择题 What is the main purpose of Angelina's visit to Iraq?（）
填空题 1（）
