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【单选题】
阅读材料,回答题: Many Children&39;s Deaths Preventable: WHO Over five million children die each year from disease, infections and accidents related ______ (51) their environment although many of these deaths are largely preventable, says theWorld Health Organization. On Monday, the WHO asked governments and citizens around the world to take action to cre-ate healthy ___ (52) for children as it celebrated World Health Day. "The biggest threats to children&39;s health lurk in the very ___ (53) that should be sa-fest-home, school and community," said Dr. Gro Harlem Brundtland, director-general of theWHO at the day&39;s launch in New Delhi, India. "Every child has the right to ___ (54) up in a healthy home, school and community. The future development of our children--and their world--depends on _______ (55) enjoyinggood health now. We have their future in our_______ (56). Now we must work more effectivelytogether to _______ (57)the risks from the environment which our children face," Brundtlandsaid. This year&39;s theme, " Healthy Environments for Children" focuses on the many dangers_______ (58) by children in and around the places where they live and play. These include inadequate access to safe drinking _______ (59)and sanitation, insect-bornediseases, air pollution, chemical hazards and injuries from traffic, falls, bums and drownings. Communities around the world organized events to promote awareness of children&39;s health is-sues, _______ (60) included drawing contests for schoolchildren in Vietnam, street plays in In-dia, puppet shows in Namibia and professional lectures for policy makers in Germany and else-where. Activities also took _______ (61) in cities across Canada on Monday, including Calgary,Montreal, Halifax and Ottawa. Although children under five represent only 10 per cent of the world&39;s population, they bear40 per cent of the global disease _______ (62) , says the WHO. And as much as one-third ofthe total burden of disease may be caused by environmental _______ (63). World Health Day has been celebrated on April 7th_______ (64) 1950. Each year theWHO chooses a theme to highlight areas of particular concern. Last year&39;s_______ (65), Movefor Health, focused on promoting physical activity as part of healthy living. 材料题请点击右侧查看材料问题 查看材料
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by
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to
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on
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at
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【简答题】如果用固体加热生成气体,实验装置用什么?如果用固体和液体反应制取气体,实验装置又用什么?请画出这两个装置图.
【简答题】有机物 A (分子式 C 6 H 10 O 3 )是合成某种隐形眼镜材料的单体, A 可发生如下变化。 已知:①物质 B 是最简单的二元醇,可用作汽车发动机抗冻剂;物质 D 不能发生银镜反应,但能与 NaHCO 3 溶液反应放出气体。 E 常温下为气体。 回答下列问题: ( 1 ) A 中不含氧官能团的名称 ; E 的水溶液的一种用途 ; ( 2 )写出物质 B 在铜催化下与 O 2 反应的化学方...
【单选题】压缩系数大小的正确排列顺序是
A.
气体>固体>液体
B.
固体>气体>液体
C.
液体>气体>固体
D.
气体>液体>固体
E.
液体>固体>气体
【多选题】下列化合物中,能够发生银镜反应的是( )
A.
丁酮
B.
苯甲醛
C.
丁醛
D.
甲醛
E.
乙醇
【单选题】女,26岁。双腕双踝关节痛伴高热1个月。近1周来心悸气促,心脏彩超提示中等量心包积液,X线胸片示右侧少量胸腔积液,血Hb、WBC及血小板下降,尿蛋白(++),多种抗生素治疗无效,诊断应考虑
A.
结核菌感染
B.
肾小球肾炎急性发作
C.
系统性红斑狼疮
D.
再生障碍性贫血
E.
恶性肿瘤
【单选题】动态配气用的渗透管内装的化合物是
A.
气体
B.
液体
C.
固体
D.
气体和液体共存
E.
液体和固体共存
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A.
结核菌感染
B.
肾小球肾炎急性发作
C.
系统性红斑狼疮
D.
再生障碍性贫血
E.
恶性肿瘤
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