五、阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
There are many modern role models in our country. Many of us know about Qian Xuesen, Yuan Longping, Zhang Guimei, Nan Rendong and Gu Fangzhou, but do you know Fan Jinshi—“the daughter of Dunhuang”—is also a modern role model? She is an archaeologist(考古学家). 1.
Archaeologists are like detectives. So people call them history’s detectives. They collect information, use scientific methods and study data to understand past events. Archaeologists study man-made objects and human remains(遗迹)from the past. 2. But how do archaeologists work?
First, archaeologists need to find a site. Some sites are on the surface, 3. They use technology, such as satellite images, to find them.
Next, archaeologists start to dig with great care. They try to find objects from the past, such as tools, bones, artworks and buildings, and then dig them out carefully. To protect these remains, archaeologists use special tools, like knives, picks(镐)or brushes.
After this, archaeologists study these remains. They want to answer questions, such as：who made this object, when and why? 4.
Archaeologists work with scientists and workers from museums to bring history back to life. Through their careful work, 5.

1~5. BEDFG