A系列二级航行通告是表示有关（）的资料。
A.国内航线和国内机场
B.国际航线和国际机场
C.导航台情况
D.上述三者
参考答案：B
—When did she become a movie star?
—_____ [ ]
A. She was 3 years old.
B. When she was 3 years old.
C. For 3 years.
D. She was a movie star.
乘务员可佩戴隐形眼镜执行航班，隐形眼镜仅限于（）要求效果自然。
A.透明色
B.黑色
C.透明色或黑色
