1. Match the English word with Vietnamese definition.
| i. Radioactive | a. Thuộc về nhiệt |
| ii. Thermal | b. Thuộc về phóng xạ |
| iii. Visual | c. Thuộc về thị giác |
i. Radioactive - ....
ii. Thermal - ....
iii. Visual - ...
2. Antonym of the word "Temporary" is _______________.
3. _______________: Chất gây ô nhiễm
4. Synonym of the word "Pollute" is ______________.
5. Synonym of "effect" is ______________.
6. __________: Nước ngầm
7. Blood __________: Huyết áp
8. Cholera: ______________
9. People often use example to _________ English structure.
10. Fine: __________
11. Billboard: _________________
