Câu hỏi: Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.

A. record

B. shine

C. categorize

D. diversify

Câu 1: The bomb exploded in the garage; fortunately no one hurt.

A. taken off

B. went off

C. put on

D. hold up

Câu 2: In times of war, the Red Cross is dedicated to reducing the sufferings of wounded soldiers, civilians, and prisoners of war.

A. initiated

B. appalled

C. devoted

D. mounted

Câu 3: The teacher gave some suggestions on what would come out for the examination.

A. symptoms

B. demonstrations

C. effects

D. hints

Câu 4: An international medical conference initiated by Davison resulted in the birth of the League of Red Cross Societies in 1991.

A. treated

B. dedicated

C. helped

D. started

Câu 5: S. Mayo Hospital in New Orleans was so named in recognition of Dr. Mayo’s outstanding humanitarianism.

A. unpopular

B. widespread

C. remarkable

D. charitable

Câu 6: If people’s interference with the environment decreases, more species will survive and produce offspring.

A. children

B. ancestor

C. descent

D. result