Câu hỏi:

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

A. accidents

B. misunderstandings

C. incidentals

D. misfortunes

Câu 1:

I cannot understand why she did that, it really doesn’t add up.

A. doesn’t calculate

B. isn’t mathematics

C. C. doesn’t make sense

D. D. makes the wrong addition

Câu 2:

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 3:

Students are expected to always adhere to school regulations.

A. question

B. violate

C. disregard

D. comply

Câu 4:

Carpets from countries such as Persia and Afghanistan often fetch high prices in the United States.

A. Artifacts

B. Pottery

C. Rugs

D. Textiles

Câu 5:

The US troops are using much more sophisticated weapons in the Far East.

A. expensive

B. B: simple and easy to use

C. C: complicated

D. difficult to operate

Câu 6:

He didn’t bat an eyelid when he realized he failed the exam again.

A. wasn’t  happy

B. didn’t  want to see

C. didn’t show surprise

D. didn’t care