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【单选题】
保护设备的(),使有毒物质不能散发出来造成危害,是工业生产中防毒的有效措施。
A.
通风性
B.
坚固性
C.
密闭性
D.
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举一反三
【单选题】蝇可传播的寄生虫病是
A.
血吸虫病
B.
钩虫病与丝虫病
C.
蛔虫病和阿米巴痢疾
D.
带绦虫病
E.
疟疾与弓形虫病
【简答题】Chinese Ancient Science & Inventions Chinese Inventions—Can You Name Them? The Invention of Paper and find out everything about paper- at The Rober C.Williams American Museum of Paper. The...
【简答题】The invention of chopsticks reflects the wisdom of Chinese ancient people.
【单选题】蝇可传播的寄生虫病是
A.
血吸虫病
B.
钩虫病
C.
疟疾
D.
丝虫病
E.
蛔虫病
【简答题】艾滋病正作为一种“谈艾色变”的严重的传染病,正越来越引起我们每一个人的高度重视.阅读下列材料,回答有关问题. 材料一:自1981年艾滋病被发现以来,就以惊人的速度传播着.现在,每天将近有1.7万人被发现感染艾滋病 病毒,全球患病总人数更达数亿.病原体存在于艾滋病患者和带病毒者的血液、精液、唾液、泪液、乳汁和尿液中, 主要通过静脉注射毒品、不安全性行为传播,也可以通过输入含艾滋病病毒的血和血液制品或...
【单选题】苍蝇可传播的寄生虫病是
A.
黑热病
B.
滴虫性阴道炎
C.
贾第虫病
D.
滴虫性尿道炎
E.
原发性阿米巴脑膜脑炎
【单选题】Which of the following is NOT true about ancient Chinese architecture?
A.
Ancient Chinese architecture greatly reflects ancient thought: the harmonious unity of human beings with nature.
B.
Chinese ancient people designed housings fit human dimensions so that they may feel intimate and safe.
C.
Chinese people lay emphasis on strong self-expression, and seek modesty and gentleness.
D.
Chinese architecture used concepts from Chinese cosmology, such as fengshui and Taoism to organize construction and layout.
【单选题】'Nothing was beyond the ancient Chinese' (Line 1, Para.3) means ______.
A.
ancient Chinese were capable of everything
B.
ancient Chinese could do very little
C.
if ancient Chinese could not do it, others could not either
D.
ancient Chinese people could do everything better than Scottish people
【简答题】A.From Land Animal to King of the Sea B.The Food of the Whale C.The Whale's Ancient Ancestor D.How Whales Catch Food
【判断题】Ancient Chinese society is divided into the Stone Age and the Iron Age.()
A.
正确
B.
错误
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