The first attempt made by European people to settle down permanently in North America occurred in the 1580s.(  )

• A、Right
• B、Wrong
• C、Not mentioned

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