Officials found that Sandy had managed to flood subway because
A. a bundle of lumber hit through the subway station entrance.
Battery Park didn"t stand a chance to block the violent storm.
C. important infrastructures were built with inferior materials.
D. the height of the concrete wall at an entrance was broken.
查看答案
在战国、秦汉、南北朝时期，我国精耕细作农业进入成型期，其主要标志是南方水田精耕细作技术体系的形成和成熟。
参考答案：错误
口服制剂溶出速率快慢排列为
A. 包衣片＜片剂＜胶囊剂＜散剂＜混悬剂
B. 混悬剂＜包衣片＜片剂＜胶囊剂＜散剂
C. 胶囊剂＜片剂＜包衣片＜散剂＜混悬剂
D. 散剂＜胶囊剂＜片剂＜包衣片＜混悬剂
E. 片剂＜包衣片＜胶囊剂＜散剂＜混悬剂
The American Congress has all the following power EXCEPT
A. investigating and overseeing executive branch and its agencies.
B. making federal laws.
C. defining two-chamber system.
D. appointing the judges of the Supreme Court.
下列软膏剂基质中属于类脂类基质的是
A. 凡士林
B. 羊毛脂
C. 石蜡
D. 麻油
E. 硅酮
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