level 3 unit 3 part 2 vocabulary
作者:lcy 日期:2018-06-25
biology is study of life, including its structure and evolution
biology study how life survives and reproduces
chemistry is the study of matter, including the structure of its atoms and molecules
chemists study how various substances interact with each other
astronomy is one of the oldest sciences
biology study how life survives and reproduces
chemistry is the study of matter, including the structure of its atoms and molecules
chemists study how various substances interact with each other
astronomy is one of the oldest sciences
level 3 unit 3 part 2 listening
作者:lcy 日期:2018-06-14
quickserve is a home repair company
it provides quick,reliable repair services to homes
quickserve handles plumbing and electrical issues twenty four hours a day
it also cleans roofs fixes internet connections, and replaces broken windows
for a small fee, customers subscrible to the services
it provides quick,reliable repair services to homes
quickserve handles plumbing and electrical issues twenty four hours a day
it also cleans roofs fixes internet connections, and replaces broken windows
for a small fee, customers subscrible to the services