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【单选题】
病人,男性,70岁。长期慢性支气管炎、肺心病、呼吸衰竭并发肺性脑病。查体见病人呼吸由浅慢逐渐加快,达高潮后又逐渐变浅、变慢,暂停6秒钟后,重复上述属期变化过程。该病人的呼吸是A.
潮式呼吸
B.
间断呼吸
C.
库模式呼吸
D.
蝉鸣样呼吸
E.
鼾声呼吸
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【简答题】As to the greenhouse effect，the author_____
【单选题】Greenhouse Effect A greenhouse is a building made of glass which is used for keeping plants warm when the outside temperature is low. In a similar way, there are several gases in the atmosphere which ...
A.
keep the plants warm.
B.
prevent air pollution.
C.
stop the greenhouse effect.
D.
produce useful gases.
【单选题】The greenhouse effect ______________________.
A.
is decreasing overtime and so is not an issue that scientists take seriously
B.
is clearly a negative phenomenon because it heats up the earth's temperature
C.
can be a positive phenomenon because it keeps the earth's temperature from being too low for life to exist, but can also be a negative phenomenon when too much greenhouse gas is stored in the atmosphere
D.
is clearly a positive phenomenon because without the greenhouse gases, the earth's temperature would be too cold for life
【简答题】If there were no greenhouse effect， ．
【简答题】情景： John去找Smith，请他参加年度英语晚会，正巧他不在。 任务： 请你以John的名义用英语给Smith写一张50词左右的便条。 内容包括： ·你何时来的； ·邀请他去参加年度英语晚会，正巧他不在； ·年度英语晚会的时间和地点； ·晚会都有哪些节目； ·请他尽快跟你联系。 要求：格式准确，表达清楚，字迹工整。 参考词汇：年度英语晚会(the annual English evening)...
【单选题】According to the passage, which of the following is NOT TRUE about the greenhouse effect_______.
A.
Most of the greenhouse effect is caused by watr vapor in the atmosphere.
B.
Human beings hve little to do with the amount of water vapor in the atmosphere, thus playing no role in the greenhouse effect.
C.
Nitrous oxide also belongs to greenhouse gases which cause greenhouse effect.
D.
Without our atmosphere, there would be no greenhouse effect.
【简答题】The most abundant greenhouse gases are ______and______.
【简答题】The increase of greenhouse gases______________
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