Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 có đáp án (Đề 2)

The passage implies that guyots were first detected by means of

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The passage implies that guyots were first detected by means of______.

a fathometer

computer analysic

a deep-sea diving expedition

research submarines

Giải thích

Chọn A