Trắc nghiệm: The (A) basic elements of public-opinion research (B) are interviewers. questionnaires. (C) tabulating equipment. and (D) to sample population. | Gửi trắc nghiệm |
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The (A) basic elements of public-opinion research (B) are interviewers. questionnaires. (C) tabulating equipment. and (D) to sample population.
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Nguyễn Thị Thương - 06/09 16:04:43
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.The (A) basic elements of public-opinion research (B) are interviewers, questionnaires, (C) tabulating ... (Tiếng Anh - Lớp 12)
Nguyễn Thị Sen - 04/09 07:47:50