单选题 Questions 8--12 Complete the following sentences with NO MORE THAN four words for each blank.

填空题 Ralf Britz felt great when he discovered the 1.

填空题 It usually takes researchers 1 to figure out what they have found in one- day time.

填空题 The 70 million specimens kept in the Natural History Museum could serve as 1 for scientists to study the animal world.

填空题 Archie, the star giant squid, still stays on the top of 1.

填空题 The 4ft fish which was discovered in 1938 attracted 1.