【单选题】To find the articles about using Chinese herbal medicine in the treatment of lung neoplasms,if you wanna expand the expressions for the concept "lung neoplasms", the queries could be .
A.
Chinese herbal medicine AND Lung AND neoplasms AND (adenocarcinoma OR squamouscarcinoma OR tumors )
B.
Chinese herbal medicine AND Lung AND adenocarcinoma OR squamouscarcinoma OR tumors OR neoplasms
C.
(adenocarcinoma AND squamouscarcinoma AND tumors AND neoplasms)AND Lung AND Chinese herbal medicine
D.
(adenocarcinoma OR squamouscarcinoma OR tumors OR neoplasms)AND Lung AND Chinese herbal medicine
【简答题】与化学法相比,生物催化的手性合成优点在于:反应条件温和、环境友好、高效率、 ,手性技术包括手性合成和手性拆分
【判断题】去游离的主要形式包含复合和扩散两种。( )
【简答题】闭塞就是用 或 来保证列车按照空间间隔制运行的技术方法。
【多选题】To find the articles about human embryonic stem cells, which ones of the following search fields could be used?
【单选题】设函数 在点 处的某个邻域内有定义,则 存在是 在点 处可导的( )
【单选题】函数 在点 处可导是 在点 处有定义的( )