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

A. go on

B. give up

C. keep

D. delete

Câu 2: With so many daily design resources, how do you stay up-to-date with technology without spending too much time on it?

A. update new status

B. connect to Internet all day

C. get latest information

D. use social network daily

Câu 3: Four generations living in the same roof will have different ____ of lifestyle.

A. gaps

B. rules

C. manners

D. viewpoints

Câu 4: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 5: The Freephone 24 Hour National Domestic Violence Helpline is a national service for women experiencing domestic violence, their family, friends, colleagues and others calling on their behalf.

A. in the same country

B. in the same family

C. in the same office

D. in the same school

Câu 6: The promise of jobs and prosperity pulls people to cities.

A. education

B. employment

C. stabilization

D. wealth