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【单选题】
某夜班护士，采用紫外线灯管照射法对治疗室进行空气消毒，其操作方法正确的是A.
先清扫治疗室，以保证消毒效果
B.
检查灯管使用时间，未超过100小时
C.
用乙醇擦净灯管表面灰尘
D.
关闭门窗，从灯亮开始计数消毒时间
E.
消毒时间30～60分钟
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举一反三
【单选题】Indicate which of the proposed reconstructions best captures the argument in the following passages from Steven Jay Gould, "The Panda's Thumb." Orchids manufacture their intricate devices from the com...
A.
(1) Orchids are made up of common components of ordinary flowers. (2) Those components of ordinary flowers are usually fitted for different purposes (in ordinary flowers than in orchids). (3) If God had designed a machine to reflect his wisdom and power, then he would not have used components generally fashioned for different purposes. ∴ (4) God did not design orchids to reflect his wisdom and power. (from 1-3)
B.
(1) Orchids are made up of common components of ordinary flowers. (2) Those components of ordinary flowers are usually fitted for different purposes (in ordinary flowers than in orchids). ____________________________ ∴ (3) Orchids are made up of components that are usually fitted for different purposes. (from 1-2) (4) If God had designed a machine to reflect his wisdom and power, then he would not have used components generally fashioned for different purposes. (5) Orchids are a kind of machine. ____________________________ ∴ (6) God did not design orchids to reflect his wisdom and power. (from 4- 5)
C.
(1) Orchids are made up of common components of ordinary flowers. (2) Those components of ordinary flowers are usually fitted for different purposes (in ordinary flowers than in orchids). ____________________________ ∴ (3) God did not design orchids. (from 1-2) (4) If God had designed a machine to reflect his wisdom and power, then he would not have used components generally fashioned for different purposes. (5) God designs things to reflect his wisdom and power. ____________________________ ∴ (3) God did not design orchids. (from 4-5)
【判断题】At the end of war, there was a surplus of aircraft which were used for war purposes, which were then converted for leisure purposes to become aircraft to carry passengers rather than munitions.
A.
正确
B.
错误
【单选题】Instead of being playthings, early kites were used for military purposes. Historical records say they were large in size some were powerful enough to carry men up in the air to observe enemy movements...
A.
To make the kites look more pleasant.
B.
To make the kites have strong structures.
C.
To make the kites produce pleasant sounds.
D.
To make the kites fly faster in the wind.
【判断题】At the end of the World War II , there was a surplus of aircraft which were used for war purposes converted to leisure purposes to become aircraft to carry passengers rather than munitions .
A.
正确
B.
错误
【单选题】If you were giving a presentation and your primary goal was to expand your audience’s existing knowledge on a topic, which of the following types of general purposes would you be using?
A.
to inform
B.
to persuade
C.
to manipulate
D.
to entertain
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