✔ 最佳答案
首先要明白的是英文裏有倒裝法(inversion)
所謂倒裝法,即動詞,或助動詞置於主詞之前,如:
Not till then, did I see my mistake.
Never is he afraid to speak up.
在直接的問題(direct question)裏,我們就會用倒裝法,如:
Where are you from?
What do you want?
但在indirect question(一條問題藏於另一問題或句子裏)就不需要用倒裝法,如:
I wonder if other dogs think poodles are member.
"if other dogs..."就是indirect question,你也可以看到,這問題並沒有用倒裝法
你的句子也是一樣,snakes are afraid of people是indirect question(因問題是藏於另一問題裏),而Do you think就是direct question(所以用了倒裝),若這句沒有了Do you think,那我們大可會問:Are snakes afraid of people?(這時就變成了direct question,所以要用倒裝)
希望幫到你!