题干
The students will take morning exercise every day, _________ it rains.
A：except
B：except for
C：except that
D：except whe
答案(点此获取答案解析）
D
A：except
B：except for
C：except that
D：except whe
成，有过“十年内乱”的惨痛教训，但最终我们党在实践中摸索出正确的航线。这主要体现了( )