The tragedy of elixir sulfanilamide caused more than 100 deaths because _____.
A. sulfanilamide was toxic
B. the solvent DEG was toxic
C. the drug was contaminated
D. the manufacturing process was not validated
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Which of the following statements about Food, Drug and Cosmetic Act was not true?
A. It was passed in 1938 as the result of thalidomide tragedy.
B. The FC&C Act of 1938 firstly specified the requirement of safety proof before a new drug was marketed.
C. The amendment in 1962 required manufacturers should provide the proof of effectiveness before a new drug was marketed.
D. The amendment in 1962 specified the package insert of a new drug also should be approved by the FDA before the new drug was marketed.
The underlined part in "glycol" means _____.
A. carboxyl group
B. carbonyl group
C. hydroxyl group
D. amino group
1、以下几项属于传统建筑的有?
A. 北京四合院
B. 湘南民居
C. 福建土楼
D. 窑洞民居
湘南泛指湖南的()。
A. 郴州市
B. 衡阳市
C. 永州市
D. 吉首市