I. Choose the word that has a different stress pattern from the others in the group.
1. A. affect B. pollute C. effect D. litter
2. A. cholera B. pollutant C. permanent D. groundwater
3. A. radiation B. political C. historical D. contaminant
4. A. seriously B. measurement C. scientific D. logical
5. A. aquatic B. historic C. physic D. bonical
(Bn Huyền xink gái giúp vs ặ
)
Những người giúp mik đều xink trai đẹp goái nka