School starts today! Are the top students in the field of guided learning ready for the school entrance exam?

9.1 Today is the day when major schools start school. On the day of school start, we will always encounter the familiar and unavoidable entrance exams. Today, the editor has compiled a list of questions related to inertial navigation that have appeared in many exam papers. As a "inertial navigation expert", how many questions can you answer?

 

So, all candidates, please be prepared as the exam is about to begin.

 

 

Please open the picture carefully when answering.

 

 

The correct answer is hidden below

 

 

 

D、ABCD、A、ABCD、C、ABD、C、A、ABC、A