在解放区戏剧运动中涌现出来的新歌剧有（）。
A.《兄妹开荒》
B.《白毛女》
C.《刘胡兰》
D.《夫妻识字》
参考答案：B, C
It was _____ she took off her dark glasses _____ she was a famous film star. [ ]
A. when, that didn't realize
B. not until, that I realized
C. not when, when I realized
D. until, that I didn't realize
结核性脑膜炎早期的主要症状是（）
A．发热
B．头痛
C．性格改变
D．呕吐
E．便秘
