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Đại Ngọc

Science and technology (S&T) capabilities are fundamental for social and economic
progress in developing countries; for example, in the health (19) ______ , scientific research
led to the development and introduction of oral rehydration therapy, which became the
cornerstone of international (20) ______ to control diarrheal diseases. Research also
established that two cents worth of vitamin A given to children every six months could (21)
______ child mortality in many countries by over one-third. In agriculture, rice-wheat rotation
techniques have significantly enhanced food production in South Asia. In Central America,
scientifically based natural resource management has been essential in developing the
tourist (22) ______ , a major source of foreign currency.
International programs based on S&T are critical components of U.S. foreign policy, and
particularly foreign assistance activities. Foreign assistance, probably more than any other
international endeavor, (23) ______ opportunities for representatives of the U.S. government
and its partners to join with political and economic leaders, intellectuals, and activists of
dozens of countries in continuing, constructive dialogues and in concrete projects designed
to enhance the quality of life of hundreds of millions of people. S&T are often the keystones
for (24) ______ projects. The shared political and economic dividends from these activities
can be enormous.

19. A. sector B. area C. region D. item
20. A. nations B. sessions C. owners D. efforts
21. A. mention B. reduce C. survey D. conflict
22. A. career B. branch C. industry D. agriculture
23. A. surround B. provides C. combines D. impresses
24. A. friendly B. beautiful C. delicate D. successful

giải thích nữa nha mọi người ơi.

_silverlining
28 tháng 6 2020 lúc 20:00

19. A. sector( kiểu nó giống như collocation í) B. area C. region D. item
20. A. nations B. sessions C. owners D. efforts(nghĩa thôi)

1. A. mention B. reduce(như trên=))) C. survey D. conflict
22. A. career B. branch C. industry(collocation) D. agriculture
23. A. surround B. provides (provide opportunity for)C. combines D. impresses
24. A. friendly B. beautiful C. delicate D. successful


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