The reconstruction of _____ species from fossil bones was often undertaken by museum workers.
举一反三
- Over the last century, paleontologists have used small differences between fossil specimens to classify Triceratops into sixteen species. This classification is unjustified, however, since the specimens used to distinguish eleven of the species come from animals that lived in the same area at the same time. Which of the following, if true, would enable the conclusion of the argument to be properly drawn A: Not every species that lived in a given area is preserved as a fossil. B: At least one individual of every true species of Triceratops has been discovered as a fossil specimen. C: No geographical area ever supports more than three similar species at the same time. D: In many species, individuals display quite marked variation. E: (E) Differences between fossil specimens of Triceratops that came from the same area are no less distinctive than differences between specimens that came from different areas.
- We learn from the text that A: shareholders often cast negative influence on the well-being of workers. B: owners of traditional firm enjoyed a good relationship with their employees. C: limited liability companies were too large to run smoothly. D: trade unions had a positive role on workers and the management.
- What does the news report say about the fossil hall of the National Museum of Natural History?
- In our factory, the hardest work is often to the strongest workers.
- Theterm"compensatingdifferential"refersto A: the fact that workers who do similar work should be paid the same wage. B: the fact that some workers live further from their jobs than do other workers. C: a wage difference that is distinguishable on the basis of monetary characteristics. D: a wage difference that arises from nonmonetary characteristics of different jobs.