（）不属于中国 * * 票标识内容。
A.标志
B.中文标准字
C.英文标准字
D.CP
参考答案：D
Wouldn’t you feel rather________if you rushed to the airport to meet your friends only to find that they
had already been picked up by other people?[ ]
A. satisfied
B. happy
C. annoyed
D. bored
用增压系统的人工方式调节排气活门，排气活门全程移动大约需多长时间？（）
A.5秒
B.10秒
C.15秒
D.20秒
