问题：
[多选题]Determine which of the following are strong thesis statements. For the ones that are weak, choose one or two to revise and write your rewritten thesis in the discussion area. (Hint: you must get them all right to get credit for this problem. There are three good thesis statements.)
AErnest Hemingway is one of my favorite authors.
BThe music of Pink Floyd was the most important influence on American pop music in the 1980s.
CEating organic food is good for your health and helps the farming economy, too.
DThe use of hybrid and electric vehicles has increased over the past ten years.
EWe can improve the usability of many consumer goods by having more women in the engineering workforce.
FHaving to choose a major in college unnecessarily forces students to specialize in a subject area. Students should be allowed to take the courses they want without considering a major.
GSafety is an important consideration in aviation; planes should be made safer.
