1. this in turn produces more heat in an attempt to keep your body temperature stable.

여기서 turn과 an 앞에 in이 들어가는 이유가 정확히 뭔가요?

2. make a list of every goal you have. include goals about finances, relationships, and you career.
be as specific as possible.

두번째 문장에서 보어가 specific이라고 하는데 그럼 possible은 여기서 어떤뜻으로 어떤 품사를 취하나요?

3. little did he know that he was fueling his son with a passion that would last ofr a lifetime.

이걸 똑바로 고치면 he know little that ~. 이렇게 되는건가요? 아니라면 똑바로 고쳐주세요.

제가 질문한것들 아시고 계시면 꼭 답변 부탁드리겠습니다 ^^