Câu hỏi:

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 1:

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 2:

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 3:

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 4:

It was very difficult to understand what he was saying about the noise of the traffic.

A. pick up

B. make up

C. turn out

D. make out

Câu 5:

The notice should be put in the most conspicuous place so that all the students can be well-informed.

A. easily seen

B. beautiful

C. popular

D. suspicious

Câu 6:

Because Jack defaulted on his loan, the bank took him to court.

A. failed to pay

B. paid in full

C. had a bad personality

D. was paid much money