The first one.

"Comprehensive" could be an option, but I think most of the time we would just describe it like "this book has everything you need to know" or "everything you need is in this book."

This link has lots of examples: http://sentence.yourdictionary.com/dislocation

What have you done to make your school or your community a better place?

Back in my junior year in Victory Christian Academy (VCA), my biology teacher conducted a yearly pedagogical program on studying the biome of shallow offshore waters around San Diego, hoping to let students to know the essence of writing a scientific research paper. Out of the fascination with the diverse and beautiful marine animals ever since a child, I eagerly participated in her lecture and aimed to get a deeper understanding of the marine world.

It was a fun lecture and she did not conceal the fact that she had a hard time doing the statistic analysis. By the time she gave her lecture, it was only about half the data collected is was processed in the research project. As she explained, she would quite often run into the miscalculations of the data collected with the wrong inputs of statistical formulae in the Excel, let alone the wrong inputs of data. She was on high alert that a careless move would jeopardize all her hard work and the whole project would turn out futile. Just as she put it, managing substantial data volume and calculating the right answer through the complicated mathematical formulas would exhaust one's patience and drive one insane.

Being the head of the data supporting department of the school technology institute, a.k.a Servitech, I boldly came up to her and offered help to to help iron out her plight out through my knowledge of the data science. She gladly agreed with my suggestion and sent me the Excel data sheets, which l, later on, ran in the SPSS, a professional statistics software. After sorting out all the factors included in her research, such as temperature, ocean flow speed, etc, I gave the data sheet a test-run. And Quickly enough, I found the statistical results which indicated the significance of each factor in her research scheme. On behalf of the school project team, she expressed her most sincere gratitude and commented that my work had saved her a tremendous amount of time and energy.

The first two lines should each be split into two sentences instead of using a comma.

Last summer I went to Lebanon for first time., It was my first time traveling abroad without my family.

It was super exciting to travel with friends., We had a lot of fun and adventures.
I really want this to happen again in different country.

Dear Anna,

How’s everything going?. Sorry hear about you have been ill. I hope you are already well doing better.
I feel better but I’ve had some health problems like diarrhoea and I was vomiting last Monday. This week I am very tired but I am happy because I feel that my health is going to restore.
I would like you told me anymore Tell me more about your brother’s new job. Where is he working and what he is doing for that company.?
About My family is Ok, my husband and my soon have a good health but I am worried about my mother because she has a bad cold and she has had antibiotics for a month, so she is weak.
About me, I am going to tell you that I am studying English at Language School. I am very happy with my teacher because she is a very nice woman and I am really enjoying with her class. I am always trying to attend the class despite I am being sick sometimes.
I am very happy to know you are going to a conference in my town next month. I was thinking it would be great if you stayed at home so we could see each other every day,. also My husband and my son will enjoy a lot with seeing you. Moreover, and you would not have to spend money in on a hotel.
Write back soon and let me know what do you think. about?
Well, that’s all for now. Take care.
Best wishes,
Isabel

My Jobies Hobbies

✓ I like to spend time reading. I prefer the non fiction books. I read to Robin Sharma, Mitch Albom, Paulo Coelho and the Bible.

✓ I like exercise. I like lifting weights and cardio routines. I like to spend time to keeping a healthy body with good exercises and healthy food.

✓ I like to learn English. I like to talk with native people. I would like to be able to watch a English movies without captions.

Thanks.

I think it is perfectly OK to use both of these.