Which of the following is not the principle of speech act theory

单项选择题_______ looks at language from a psychological point of view, and to him, competence is a property of the mind of each individual.

单项选择题Darwin's ______ theory contributed to the decay of Victorianism.

单项选择题The Novel The Adventures of Huckleberry Finn was written by______.

单项选择题The English Civil War is also called ______.

单项选择题The Great ______ of 1929 to 1933 damaged the economy of the United States and the whole capitalist world.