16. Paragraph➊17. Paragraph❷

18. Paragraph❸

19. Paragraph❹

20. Paragraph❺

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 name Virginia was given to North America by Sir Walter Raleigh.(  )

• A、Right
• B、Wrong
• C、Not mentioned

Which of the following is a bad habit of the executive passengers that frustrates the airlines?(  )

• A、They do not book their seats in advance.
• B、They do not sit on the seats they are supposed to take.
• C、They do not travel on the flight they have booked.
• D、They do not pay in advance for the seats they book.