A. amateur

B. professional

C. harsh

D. global

A. biodiversity

B. environment

C. ecosystem

D. ecotourism

A. cultural exchange

B. fossil fuel

C. job market

D. performing arts

A. self-confident

B. self-disciplined

C. self-reliant

D. self-centered

A. for instance

B. consequently

C. instead of

D. additionally

A. Having misunderstood

B. Having been misunderstood

C. Not having misunderstood

D. Not misunderstanding

A. become

B. becoming

C. to become

D. became

A. in 1966 that

B. in 1966

C. in 1966 when

D. 1966 which

A. may

B. for

C. to promote

D. to friends

A. over the past decade

B. has increased

C. significantly

D. endanger

A. many

B. much

C. several

D. a number of

A. which

B. who

C. whose

D. whom

A. do

B. take

C. make

D. bring

A. discipline and responsibility

B. freedom without rules

C. avoiding challenges

D. dependence on teachers

A. although they fail

B. so that they develop critical thinking skills

C. because they avoid responsibility

D. if they rely on others

A. Technology eliminates bullying

B. Cyberbullying presents unique and serious challenges

C. Students prefer online communication

D. Schools control the internet

A. anonymity

B. victim

C. cyberbullying

D. platform

A. rarity

B. widespread nature

C. weakness

D. limitation

A. Cyberbullying can be anonymous

B. Detection is difficult

C. It spreads quickly

D. Victims can easily escape it

A. People feel less responsible when hidden

B. People become more responsible online

C. Identity is always known

D. Rules are strictly followed