A.维生素B1 | B.维生素B2 |
C.维生素B6 | D.维生素A |
E.维生素D3 |
{{B}}Passage One Questions 26 to 28 are based on the passage you have just heard.{{/B}} |
{{B}}Passage 1{{/B}} |
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living on top of a mountain. Mountain air contains less oxygen than air at lower
altitudes, so breathing it causes the heart to beat faster and the body to burn
more energy. A handful of studies have found that athletes training at high
altitudes tend to lose weight. Doctor Florian Lippl of the University Hospital
of Ludwig-Maximilians-University Munich wondered how the mountain air would
affect overweight individuals if they weren’t doing any more physical activity
than usual. Lippl and his colleagues invited 20 overweight men to an environmental research station about 300 meters below the summit of Zugspitze, a mountain around 2,970 meters near the Austrian border. They were allowed to eat as much as they liked. The men also gave blood so that researchers A. A.one’s bodyweight B.one’s blood pressure C.one’s way of living D.one’s metabolic rate [单项选择]
欲知8位二进制数(b7b6b5b4b3b2b1b0)的b2是否为1,可将该数与二进制数00000100进行()运算,若运算结果不为0,则此数的b2必为1。 A. 加 B. 减 C. 与 D. 或 我来回答: 提交
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