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: The blank space of the paper must be 1.5 inches at the top and 1 inch at the bottom and on the sides.

A. frames

B. borders

C. shutters

D. margins

Câu 2: Mounting evidence indicates that acid rain is damaging historic sites in Boston and Philadelphia.

A. Hanging

B. Tentative

C. Increasing

D. Irrefutable

Câu 3: Jan took many snapshots while on vacation in Europe.

A. notes

B. gifts

C. photos

D. clothes

Câu 4: John was not promoted because his work did not meet the manager's expectations.

A. anticipations

B. expenditures

C. expertise

D. gaudiness

Câu 5: 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 6: 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