- Anken
- Ankan
- Hóa học hữu cơ
- Polibutadien (Cao su Buna)
- Poli metyl metacrylat
- Poli vinyl clorua
- Polietilen
- C5H9O4N (Axit glutamic)
- C6H14N2O2 (Lysin)
- C5H11NO2 (Valin)
- C3H7NO2 (Alanin)
- C2H5NO2 (Glyxin)
- C6H7N (Anilin)
- C4H11N (Đietylamin)
- C2H7N (Đimetylamin)
- C4H11N (Butylamin)
- C3H9N (Isopropylamin)
- C3H9N (Propylamin)
- C2H7N (Etylamin)
- CH5N (Metylamin)
- Chất béo (Lipit)
- Este
- Glucozơ
- Saccarozơ
- Protein
- Tinh bột
- Xenlulozơ
- CH3COOH (Axit axetic)
- Accustomed though we are to speaking of the films made before 1927 as “silent”
- There is the very real possibility that these animals
- The first time I tried out my new bike I _________ balanced and fell off
- You must make allowances for his inexperience
- The train service has been a ______ since they introduced the new schedules
- He still suffers from a rare tropical disease which he ________ while in Africa
- Many people who took part in the fight ____ illiteracy
- As an orphan, he _____ earn his living alone
- The number of the participants in the survey ______ 250 students
- White blood cells help defend the body against infection
- Bob will come soon. When Bob _______, we will see him
- It was not until she had arrived home _____ her appointment
- Do you think this hat _____ me
- Sheila will inherit everything ______ her uncle's death
- My parents seemed fully satisfied with the result of my entrance exam
- The prom is permitted providing that everyone behaves responsibly
- Choosing a career may be one of the hardest
- I'm sorry ____ that your enterprise has been declared bankrupt
- We have to tell Mary about our change in plans
- A curriculum that ignores ethnic tensions
- Look at the sky, it is going to rain
- She went ______ a bad cold just before Christmas
- There are two ____ school systems in England
- In most discussions of cultural diversity, attention has focused on visible
- Since the family law was implemented
- I do not think there is so much as a ______ of truth in that rumor
- In a report submitted to the government yesterday
- Because of his poverty, he has to struggling to make ends meet
- Most forms of transport were horse-drawn
- He felt rather embarrassed at his daughter's willingness
- Michael took a deep breath and dived into the water.
- Not only John but his brothers ______ also in debt