食管异物最常见的停留部位为食管中段第二狭窄，其次为食管入口，发生于下段较少见。（）
参考答案：错
—Guess What! The great movie is on in the cinema.
一Nothing new. I _______ it with my parents on the first day. [ ]
A. saw
B. see
C. will see
D. have been
新磁带使用前要打开保护钮，录（）彩条，（）彩场或空场。
