记者采访中“因人物访问”的主要意图在于( )
A.介绍某一方面的经验和成就
B.针对某一问题有的放矢访问
C.显示人物的精神面貌及其成就
D.尽快地反映事物新变化
参考答案:C
前胡的功效是()
A.润肺止咳
B.祛痰排脓
C.降气祛痰
D.利气散结
E.凉血止血
Are there exactly 3 distinct symbols used to create the code words in language Q ?() (1)The set of all code words in language Q is the set of all possible distinct horizonal arrangements of one or more symbols, with no repetition. (2)There are exactly 15 code words in language Q.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.