I do not have the reading, but here is what I think the answers might be;
[1] Intro, background, main body, and summary
(1) Intro / entice the reader
(2) List the general idea or background
(3) Write the main body, divided into two/three body paragraphs Â
(4) End with a summary
[2] Time-consuming
 The disadvantage to using a sentence outline is that the author has to think out each entry before it can be written down. This can quickly become time-consuming since there are many sentences, and it can also cause the final to be rather lengthy.
[3] Statement of subject
The first part of any outline should be the statement of subject. It can be expressed in a single phrase or a sentence. It may also be called your "topic sentence."
[4] Headings are similar throughout the whole construction
Parallel grammatical construction means the grammatical construction used in one heading is similar to headings throughout the entire outline. Similar heading can be easier to understand.
[5] Options below
() Spatial
() Chronological order
() Order of importance
() Order of comparison
Have a nice day!
 I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
