K12-GIỮA HK2-TỪ TRÁI NGHĨA

An endangered species is a species which has been categorized as very likely to become extinct.

• secured 

• rare   

• dangerous

• extinct

Many organizations have been set up and funds have been raised to save endangered species from its extinction.

• established  

• collapsed    

• delayed 

• decreased

Reading some of the interestingly informative books and searching for well-researched material that can help you grow.

• illuminating 

• instructive    

• constructive

• useless

Biologists have introduced a global list of endangered and vulnerable animal species.

• rare and specious  

• small but invaluable

• weak and easily hurt     

• strong and not easily hurt

During the five-decade history the Asian Games have been advancing in all aspects.

• holding back   

• holding at

• holding by  

• holding to

This puzzle is a piece of cake; I can do it with my eyes closed.

• very difficult   

• easy enough     

• rather boring   

• quite understandable

In this writing test, candidates will not be penalized for minor mechanical mistakes.

• punished   

• rewarded   

• motivated 

• discouraged

If one fails to achieve a goal, his or her efforts are fruitless.

• profitable  

• futile    

• purposeful

• useless

The situation seems to be changing minute by minute.

• from time to time 

• time after time 

• again and again   

• very slowly

If you are at a loose end this weekend, I will show you around the city.

• free 

• confident

• occupied  

• reluctant