16. Paragraph?17. Paragraph?

18. Paragraph?

19. Paragraph?

20. Paragraph?

A. Main Results of Recent Researches

B. Difference between Genetic and Observed Intelligence

C. Effect of Environment on Intelligence

D. Intelligence and Achievement

E. Impact on School Education

F. A Changed View of Intelligence

The improvements the airlines attempt at include all the following EXCEPT   (  )

• A、making their seats more comfortable
• B、 providing better food during flights
• C、showing more movies during the long flights
• D、offering sleeperettes to first-class passengers

The name New England was given to the northern area of North America by the boss of one of the two Virginia companies. (  )

• A、Right
• B、Wrong
• C、Not mentioned