With John Cabot's arrival at an island off the New England coast in1497 ,the British Crown claimed to be the legal owner of NorthAmerica.()
A、Right
B、Wrong
C、Not mentioned
Which of the following is a bad habit of the executive passengersthat 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.
16. Paragraph➊17. Paragraph❷18. Paragraph❸19. Paragraph❹20. Paragraph❺ A. Main Results of Recent ResearchesB. Difference between Genetic and Observed IntelligenceC. Effect of Environment on IntelligenceD. Intelligence and AchievementE. Impact on School EducationF. A Changed View of Intelligence