Rescue divers found the boys were on an elevated area about 2.5 miles into the cave. At least 1.5 miles of the path is under muddy water. (1.0分) A. √ B. ╳
【简答题】A.He was a nurse working in a hospital. B.He was a medical doctor in a hospital. C.He was a journalist for a newspaper. D.He was a travel agent in San Francisco.
【简答题】A.He was first of all a scientist. B.He was a naturalist but not a scientist. C.He was no more than a born naturalist. D.He was a scientist as well as a naturalist.