问题 单项选择题

女性,26岁,发现昏迷、尿失禁半小时入院,伴多汗、流涎。查体:血压150/90mmHg,双瞳孔缩小,面肌颤动,双肺有湿性哕音,心率76次/分钟,律齐无杂音。该病人最可能的诊断是

A.有机磷中毒

B.一氧化碳

C.安眠药中毒

D.蛛网膜下腔出血

E.癫痫持续状态

答案

参考答案:A

解析:有机磷中毒时因乙酰胆碱酯酶抑制,造成胆碱能神经末梢释放的乙酰胆碱蓄积,兴奋胆碱能受体,出现胆碱能神经先兴奋后衰竭的一系列症状。

判断题
填空题

Recycling Paper


The process of recycling paper can help to reduce deforestation and energy consumption on a significant scale. There are many different reasons why we should recycle paper products, and some of these are (26) in the paragraphs below.
Energy consumption will always be on the (27) as population levels grow, and so any manufacturing processes which help to reduce energy consumption are (28)
The Energy Information Administration (EIA) claim that there can be as (29) as a 40% energy saving when recycling paper over producing paper (30) the direct raw material.
Although recycling paper has many (31) , it also has its drawbacks. One of these drawbacks is that we cannot recycle the (32) paper product for eternity, as the fibers contained within the paper degrade over time, (33) their strength and length.
On (34) , an individual paper fiber can only be recycled a (35) of six times. Although this is a significant drawback, the six time recycling process will help to (36) a great deal of energy when you consider (37) much paper there is to be recycled.
If paper fibers can be recycled up to 6 times, and we recycled all paper products, this could help to (38) the intensity of deforestation for paper products up to a factor of 6.
With paper production said to (39) around 40% of harvested wood, and paper said to (40) around 90% wood, you can see how recycling paper is an important process for the (41) of our forests.
Today, the use of recycled paper products is on the increase, as more and more people begin to recycle paper (42) products around the home.
Although there are slight differences in the recycling processes of different (43) of paper products (e.g. corrugated, mixed paper, newspaper products), we are able to recycle just about any type of paper product around today.
The recycling logo helps to (44) a recyclable product and can also sometimes help to identify if the product contains any recycled material, in the form of a percentage. This helps a consumer to identify the (45) of recycling various products.

A. fromB. in C. by D. at