Myfatherboughtmeadictionary.Hethinksitis

My father bought me a dictionary. He thinks it is ________ my study.

A．friendly to B．helpful to

C．harmful to D．popular to

B　點撥：本題用短語辨析法解題。be friendly to 對……友好；be helpful to對……有幫助；be harmful to對……有害；be popular to對……來説受歡迎。根據句意可知應該選B。