Seattle is one of the most ______ cities in the US
A. ecology
B. ecosystem
C. eco-friendly
D. ecological
ecology (n): sinh thái học
ecosystem (n): hệ sinh thái
eco-friendly (adj): thân thiện với môi trường
ecological (adj): (thuộc về) sinh thái
Ở đây sử dụng cấu trúc so sánh nhất với tính từ dài: the + most + long-adj + N
=> Từ cần điền là một tính từ.
=> Seattle is one of the most eco-friendly cities in the US.
Tạm dịch: Seattle là một trong những thành phố thân thiện với môi trường nhất ở Hoa Kỳ.
Đáp án cần chọn là: C
Texas is ______ to a number of eco-tour companies, and plenty of ranches and resorts.
The factory was fined for discharging chemicals into the river.
In Alaska, the ecotourism operators are designed to help minimise tourism ______, which may be more difficult to control as an independent traveler.
Ecotourism ______ are important to the overall sustainability of the country's tourism industries.
Microenterprises can have a negative or positive impact on the environment.
_______is holidays and travel that involve causing less damage to the environment than usual and that make people aware of the need to protect the environment.
First-class _____________ is available on all flights.
Species have ___to climate changes throughout history.
One of the____had finished singing and the usual shower of coins was falling on the hard floor.