This isn't neccessarily true. Your introduction can still make sense without the hook, and the information inside the introduction part should really not directly depend on the hook to explain them, they should either be self explanatory, or you should explain them there.
Hopefully this helps!
To what I can't complete the question if it is in complete<span />
The correct answer is: Employment History and Personal Background Information.
A cover letter serves as your hook. The one who will read it may have a short span of availability. In writing a cover letter, you should highlight your strengths and past accomplishments so that they will be interested to read the attachments. Do not forget to include your contact information.
Anne Frank wants to become a writer or journalist after the war.
