15 câu Trắc nghiệm Unit 2 Vocabulary and Gramma

There has been a hot debate among the scientists relating to the pros and cons of using robotic

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Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

 There has been a hot debate among the scientists relating to the pros and cons of using robotic probes to study distant objects in space.

problems and solutions

advantages and disadvantages

solutions and limitations

causes and effects

Giải thích

Đáp án: B

Từ mới: Pros and cons = advantages and disadvantages (ưu điểm và nhược điểm)