Câu hỏi: 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 1: Mounting evidence indicates that acid rain is damaging historic sites in Boston and Philadelphia.

A. Hanging

B. Tentative

C. Increasing

D. Irrefutable

Câu 2: Proximity to the court house makes an office building more valuable.

A. Interest in

B. Similarity to

C. Nearness to

D. Usefulness for

Câu 3: 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

Câu 4: In the early days of baseball, the game was played by young men of means and social position.

A. with skill

B. with equipment

C. with money

D. with ambition

Câu 5: Primary education in the United States is compulsory

A. free of charge

B. required

C. excellent

D. easy

Câu 6: 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