1/ Ha Long Bay is easily one of the most ____ UNESCO World Heritage Sites in Vietnam.
A. surprised B. shocking C. breathless D. breath-taking
2/ We are carrying out some teststo____ the cause of massive fish death.
A. detect B. improve C. solve D. ptomote
3/ Farmers should use ____ methods to produce clean and healthy food.
A. insoluble B. liveable C. renewable D. sustained
4/ A lot of money has been allocated for upgrading basic ____ in the countryside.
A. infrastructure B. pollution C. urban planning D. quality of life
5/ The government needs to solve the pollution problems to make the city ____.
A. insoluble B. overcrowded C. liveable D. renewable
6/ People are trying to make use of some ____ sources of energy like the wind and sun.
A. lighting B. alternative C. polluted D. non-renewable
7/ There will be no ____ of fresh water because wastewater will be treated and turned into drinking water.
A. impact B. shortage C. pollution D. prediction
8/ The ____ of President Ho Chi Minh's Mausoleum took place from 1973 to 1975.
A. construction B. construct C. contractual D. constructed
9/ The country is now a ____ and social mosaic due to the influx of several different ethnicgroups.
A. culture B. cultured C. cultural D. culturally
10/ Sleep, rest and relaxation can slow down the________________.
A. meditation B. life expectancy C. aging process D. immune system
