Ôn tập các từ vựng đã gặp trong các bài đọc sau:
Drag one right word(s) for each blank.
Chronic stress can lead to _____ gain.
_____ are scientists who study the Earth: its history, nature, materials and processes.
The area contains vast underground _____ systems.
Food that is contaminated with _____ may not look or smell bad.
They travelled many miles across burning _____ sands.
It's not a good idea to drink wine on an empty _____.
These hotels are becoming popular with the knowledgeable _____.
He threw a bit of paper onto the fire and it flew up the _____.
He examined the _____ and checked whether the horses were healthy.
_____ in older homes help regulate the environment in the house.
A _____ is simply a room that's set aside and is designated as a place to hold meetings.
Students ran _____ to welcome their new teacher.
The company has cut _____ chemicals from its printing process to save the environment.
Eating too fast is detrimental to the _____ process.