4 . As there were strange marks on the X-ray plates__________of the mummy, doctors have been trying to find out whether the woman died of a rare disease. (根据句意填空)

6 . According to the report s_________ by researchers, about 23 percent of all annual carbon dioxide emissions are caused by the destruction of tropical forests. (根据首字母单词拼写)

9 . Most of the information g_________ (收集) by early Greek scientists was written down by Aristotle. (根据中英文提示填空)

10 . Among its various columns, Inspiration attracts me most, without which I couldn’t have overcome so many obstacles ________ (遇到) in my study and life. (根据汉语提示单词拼写)