单选题 Questions 22-26
Classify the. following groups of people according to whether they believe
A．Supplementation may have a positive effect.
B．Supplementation may have a negative effect.
C．Supplementation has no effect.
Write the correct letter A, B or C, in boxes 22-26 on your answer sheet.

单选题 The United States Department of Health and Human Services

A
B
C

【正确答案】 A

【答案解析】

单选题 National Institutes of Health

A
B
C

【正确答案】 B

【答案解析】

单选题 Food and Nutrition Board of the National Academy of Sciences

A
B
C

【正确答案】 C

【答案解析】

单选题 The National Advisory Board

A
B
C

【正确答案】 A

【答案解析】

单选题 Heart Protection group

A
B
C

【正确答案】 C

【答案解析】