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Tài liệu ôn tập tiếng anh tham khảo dành cho học sinh lớp 10 hệ trung học phổ thông. Đây là đề thi của kỳ thi Olympic truyền thống 30/4 lần thứ XVI năm học 2010 do Sở giáo dục và đào tạo TP.Hồ Chí Minh, trường THPT chuyên Lê Hồng Phong ra đề. Đề thi gồm có 7 trang, thời gian làm bài là 180 phút. làm bài. | Between 1977 and 1981, three groups of American women, numbered 27 in all, between the age of 35 and 65, were given month-long tests to determine how they would response to conditions resembling those on the space shuttle. Carefully selected from among many applicants, the women were volunteers and pay was barely above the minimum wage. They weren't allowed to smoke or drink alcohol during the tests, and they were expected to tolerate each other's company at closed quarters for the entire period. Among other things, they had to stand pressure three times of the force of gravity and carry out both physical and mental tasks while exhausted from strenuous physical exercises. At the end often days, they had to spend a further twenty days absolutely confined to bed, during that time they suffered backaches and discomforts, and when they were finally allowed up, the more physically active women were especially subject to pains due to a light calcium loss. Results of the tests suggest that women have significant advantages on men in space. They need less food and less oxygen and they stand up to radiation well. Men's advantages in terms of strength and stamina, meanwhile, are virtually wiped out by the zero-gravity condition in space.
