Câu hỏi: Many scientists agree that global warming poses great threats to all species on Earth.

A. irritations

B. annoyances

C. fears

D. risks

Câu 1: Those companies were closed due to some seriously financial problems.

A. taken off

B. put away

C. gone over

D. wiped out

Câu 2: The shop assistant was totally bewildered by the customer’s behavior.

A. disgusted

B. puzzled

C. angry

D. upset

Câu 3: As tourism is more developed, people worry about the damage to the flora and fauna of the island.

A. fruits and vegetables

B. flowers and trees

C. plants and animals

D. mountains and forest

Câu 4: Animals on earth fascinate us with their beauty, their grace and their speed.

A. improve

B. captivate

C. satisfy

D. amuse

Câu 5: The cultural and historical sites in Kyoto have been given appropriate care and maintenance.

A. preservation

B. revival

C. recovery

D. recognition

Câu 6: It is really incredible that he is unaware of such basic facts.

A. difficult

B. unbelievable

C. imaginable

D. disappointed