1. She complains of a severe pain in the throat, doesn't she? (разделительный вопрос )
Does she complain of a severe pain in the throat or in the neck? (альтернатиный вопрос )
2. Skeletal muscles are complex in structure, aren't they? ( разделительный вопрос )
Are skeletal muscles complex or simple in structure? ( альтернатиный вопрос )
3. We have studied an interesting course on anatomy, haven't we? ( разделительный вопрос )
Have we studied an interest course on anatomy or on biology ? ( альтернатиный вопрос )