1 . 阅读下面材料,在空白处填入1个适当的单词或括号内单词的正确形式。
When we make news we use primary and secondary sources. We can see this most clearly 1 TV programmes. As we watch the news on TV, the person 2 ( present ) the programme in the studio is the secondary source ( because he tells us about the news ) 3 the reporter in Iraq or Washington is the primary source ( because he is telling us about what is 4 ( actual ) happening there ). Without these reporters acting as primary sources, you would never find out what really 5 ( happen) in a war, earthquake, sports meeting, concert or festival. These reporters explain what is happening so we have a clearer idea of what 6 ( go ) on there. They often take 7 ( photographer ) with them who act as primary source by giving pictures of events.
In a newspaper the position is 8 ( difference ) because these two roles are often combined. This means a reporter who investigates a story may be the same person who writes it. If this happens, the reporter is 9 the primary and the secondary source. But the photographer who 10 (work ) with him/ her is still a primary source.