单项选择题The author’s primary purpose in the passage is to ______.
单项选择题The word brachiopod in the third paragraph means______.
单项选择题Charles Babbage, an English academic, ______.
单项选择题The author does not think of it as a(n) ______ to call women the beautiful sex.
单项选择题Which programming language is designed for the instruction of youngsters