Câu hỏi: These projects have proved to be very effective in dealing with global climate change, which was considered an insoluble problem in the first 30 years of this century.

A. hard

B. challenging

C. unsolvable

D. unbearable

Câu 1: People who hold optimistic view believe that cities of the future will increase the general well-being of individuals and societies.

A. health state

B. quality of life

C. level of development

D. growth rate

Câu 2: She's a down-to-earth woman with no pretensions.

A. ambitious

B. creative

C. idealistic

D. practical

Câu 3: You can’t stop smoking immediately. Just try to …….. a little.

A. go on

B. give up

C. keep

D. delete

Câu 4: She was brought up in the slums of Leeds.

A. downtown area

B. industrial area

C. poor area

D. rural area

Câu 5: It isn't ____ for him to take charge of the financial burden on his family.

A. boring

B. expensive

C. easy

D. mind

Câu 6: Many animals were born in captivity. Resultantly, they do not always breed well.

A. imprisonment

B. lock

C. detention

D. freedom