Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions The fact that space exploratio

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Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions

The fact that space exploration has increased dramatically in the past thirty years indicates that we are very eager to learn all we can about our solar system

seriously

gradually

significantly

doubtfully

Giải thích

Đáp án C

dramatically: một cách mạnh mẽ = significantly: một cách đáng kể

Các từ khác:

serious: đứng đắn, nghiêm nghị

gradually /'grædʒuəli/: dần dần, một cách tuần tự

doubtfully /'daʊtfli/: một cách nghi ngờ