The unmanned U.S space probe Mariner 9 sent back over 7,000 photos of Mars

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Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions

The unmanned U.S space probe Mariner 9 sent back over 7,000 photos of Mars

circulated

transmitted

conveyed

submitted

Giải thích

Đáp án : B

Send back = gửi lại (tàu vũ trụ gửi lại hơn 7000 bức ảnh). Transmit = truyền phát tín hiệu