（EMB145）飞机的门警告系统一共有（）个位置电门。 A.14 B.15 C.16_爱下问搜题

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问题单项选择题

（EMB145）飞机的门警告系统一共有（）个位置电门。

A.14

B.15

C.16

D.17

答案

参考答案：C

选择题

Although punctual himself, the professor was quite used _____ late for his lecture.

A．to have students

B．for students' being

C．for students to be

D．to students' being

问答题简答题

SSC的工作过程是什么？