单项选择题
A．Modem ideas are beginning to influence the Eskimos. B．Why are the Eskimos able to live in Arctic regions C．The Eskimos are adaptable. D．Eskimos' way of life has not changed very much.
A．to write carefully B．to do as teachers say C．to use dictionaries frequently D．to avoid using words one is not sure of
A．the importance of developing writing skills B．the complexities of spelling C．the correct way of marking compositions D．the relationship between spelling and the content of a composition