Câu hỏi: Though many scientific breakthroughs have resulted from mishaps, it has taken brilliant thinkers to recognize their potential.

A. misunderstandings

B. accidents

C. misfortunes

D. incidentals

Câu 1: A brief outlined of the course and bibliography were handed out to the students at the first meeting.

A. dispensed

B. dispersed

C. distributed

D. contributed

Câu 2: In the 1960's the upper level of Pennsylvania Station in New York City was torn down and replaced by Madison Square Garden.

A. detracted

B. demoted

C. distended

D. dismantled

Câu 3: Mounting evidence indicates that acid rain is damaging historic sites in Boston and Philadelphia.

A. Hanging

B. Tentative

C. Increasing

D. Irrefutable

Câu 4: The fer-de-lance, a kind of viper, is one of the most poisonous snakes.

A. deadly

B. vicious

C. bad tasting

D. unhealthy

Câu 5: Relaxation therapy teaches one not to fret over small problems.

A. worry about

B. get angry about

C. get involved in

D. look for

Câu 6: Peter didn’t mean to be disrespectful to his teacher. He just couldn’t control his temper.

A. Showing lack of trust

B. showing impolite behavior

C. Showing nervousness

D. showing lack of attention