A lot of research in medical science has been to improve hum
Câu hỏi
Nhận biếtMark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
A lot of research in medical science has been to improve human health.
Đáp án đúng: D
Lời giải của Tự Học 365
Giải chi tiết:
D
research hay survey thường dùng động từ carry out (ở thể bị động): tiến hành
Dịch câu: Rất nhiều nghiên cứu về khoa học y tế đã được tiến hành để cải thiện sức
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