Section A Questions 1 and 2 will be based on the following news item

基于内容的推荐系统翻译为____________。 A: Content-based recommender systems B: Collaborative Filtering based recommender systems C: User-based Recommendation D: Item-based Recommendation

Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 sec. onds to answer the questions.Now listen to the news. Nicolas Sarkozy ______.

News 3[br][/br] Questions 5 to 7 will be based on the following news item A: 9.1 million. B: 38 million. C: 16 million. D: 3 million.

Questions 3 and 4 will be based on news item 2.3. What is the news mainly about? A: The killing of a guard. B: The release of Woodfox. C: The campaign against discrimination. D: The sentence of "Angola Three".

开启第二条生产线的标准（） A: 早餐ITEM数≥280/午餐ITEM≥241 B: 早餐ITEM数≥281/午餐ITEM≥240 C: 早餐ITEM数≥241/午餐ITEM≥280 D: 早餐ITEM数≥200/午餐ITEM≥180

Questions 5 to 7 will be based on News Item 3.[音频]5 A: Some new laws. B: A new set of medical guidelines. C: Some sophisticated rules. D: Some campaigns.

Questions 23 to 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. When did the fight begin A: On Monday. B: On Thursday. C: On Friday. D: On Saturday.

The opportunity cost of an item is ( ). A: the price of that item B: what you give up to get that item C: the time you have to spend on earning enough money to buy that item D: the cost of producing that item

Questions 28 to 30 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. How many countries is lack of health workers A: 57. B: 36. C: 21. D: Unclear.