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 first permanent settlement in North America was in 1607. (  )

• A、Right
• B、Wrong
• C、 Not mentioned

There were eighteen people on board the Matthew during its voyage to North America in 1497.(  )

• A、Right
• B、Wrong
• C、 Not mentioned