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【简答题】
A recent study reveals that older people who walk faster may have a longer life. 1 Gathering information of 34,000 people aged 65 and above from nine studies, researchers have found out that the average walking speed of a person is 0.92 meters or three feet in one second. 2 According to the report pace speed was said to be very significant in survival of elderly people above 75. If there is an increase of 0.1 meter per second in pace speed, 3 Dr. Stephanie Studenski of the University of Pittsburgh, the leading author of the research said that when a person walks, there is a required energy and movement control, including support and places demands on organ systems that include the heart, lungs, musculoskeletal(骨骼的), nervous and circulatory systems(循环系统). 4 If you walk slower than 0.6 meters or two feet in a second, chances are that your life will be cut short 5 Pace speed is actually an indication of being healthy especially to older people. A. the risks of death will be reduced to 12 percent. B. the old people will be in danger of losing their lives. C. Active walking is of high advantage in having a longer life. D. There should be an effort in walking at a speed so that people will get used to it. E. Long life means you have to take a long walk every day. F. For the past 10 years, there were17,528 deaths reported G. Slow walking would require higher cost of energy.
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A.
光照
B.
C.
养料
D.
温度
【单选题】AML-M0的免疫表型特点是
A.
无髓系分化抗原表达
B.
可表达B细胞特异抗原CDl9.CD20
C.
可表达T细胞特异抗原CD3.CD5
D.
MPO阳性
【单选题】AML-M0的免疫表型特点是
A.
无髓系分化抗原表达
B.
可表达B细胞特异抗原CDI9、CD20
C.
可表达T细胞特异抗原CD3、CD5
D.
表达CD34、HLA-DR
E.
POX阳性
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A.
①②
B.
②③
C.
②④
D.
①③
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A.
CD34阳性
B.
CD14阴性
C.
CDl5阴性
D.
CD33阳性
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A.
p
B.
n
【单选题】门窗框和扇按图纸规格和数量进场,然后 分类水平堆放平整,底层应搁置在()上
A.
地上
B.
高架子上
C.
垫木
D.
无需任何措施
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