具有固精缩尿止带之功效,兼能涩肠止泻的药物是( )
A.覆盆子
B.金樱子
C.乌梅
D.桑螵蛸
E.赤石脂
参考答案:B
Miss Zhao is one of _____ in our school. [ ]
A. the popular teacher
B. the most popular teachers
C. popular teacher
D. more popular teacher
从经济性,稳定性来讲,最满意的新能源是()。
A.天然气
B.氢能源
C.石油
D.煤炭