40年代在解放区出现了许多采用传统民歌填词的优秀歌曲，著名的有如（）根据陕北歌填词的《怎么办》，《拥军花鼓》.
参考答案：安波
Companies in Zhongguancun all have their own characteristics, but they all share ______ spirit of creativity and scientific skill that have made Zhongguancun________-success.
A．the; the
B． the; a
C．/ ; a
D．/; /
双速永磁式雨刮电机用了两只电刷
