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 copperhead, a snake that strikes without warning, is considered more dangerous than the rattlesnake.

A. exquisite

B. sporadic

C. treacherous

D. aloof

Câu 2: A multitude of people attended the fund-raising presentation in the mall.

A. small number

B. select group

C. huge crowd

D. large herd

Câu 3: Many doctors are still general practitioners, but the tendency is toward specialization in medicine.

A. rumor

B. trend

C. prejudice

D. security

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: Jan took many snapshots while on vacation in Europe.

A. notes

B. gifts

C. photos

D. clothes

Câu 6: I told her I understood what she was feeling as we were both after all in the same boat.

A. in a similar take

B. in a similar find

C. in a similar situation

D. in a similar case