相关考题
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单项选择题
患者女性52岁，拟一次性拔除口内多个残冠，残根，注射局麻药后患者出现全身发麻、心悸、胸闷，表情肌及全身抽搐，随即出现脉细而弱、血压下降、神志模糊上述症状可诊断为
A.医源性感染
B．癔病
C．肾上腺素反应
D．局麻药物中毒
E．晕厥 -
单项选择题
Animals in the DesertSome desert animals can survive the very strong summer heat and dryness because they have very unusual characters. The camel, for example, can(51)an increase in the temperature of its body and its blood of 9℃. In addition, it can drink an enormous amount of water at one time, then store sufficient water in its red blood cells and other parts of its body to supply its needs for two weeks or more. The kangaroo rat (长鼻袋鼠) ,on the other hand,(52)all the water it needs from water that it produces during respiration (呼吸). However, most animals need to(53)a fairly constant body temperature, and will die if it rises more than 5℃.(54),they need to find some way to avoid the strong sun rays. Nor can many animals either store or produce water in their bodies, as the camel and kangaroo rat can. So they must find ways to(55)water loss from their bodies to the lowest degree.Because very few desert animals can survive the strong rays, the temperature, and the evaporation(蒸发) rate(56)a typical summer's day, most of them are(57)during the night. Only after the sun has set does the desert come fully to life; The night is(58)cool, and the darkness provides(59),not only from the sun, but also from other animals and from the birds. So the coming of darkness is the signal(60)the large majority of animals and insects (昆虫) to continue their search for water and food. When morning comes, most of them seek shelter again: many go underground; nearly all find(61)shady and they can avoid the sun rays there.For many kinds of insects, living in the desert is(62)than for animals. Like many desert plants, they have a waterproof skin which(63)water loss by evaporation. In addition, some insects spend all or most of their life below ground. Here, for most of the year at least, there is(64)wetness, and it is generally cooler than on the(65).A．carryB．bearC．effectD．delay
A.(54),they
B.
Because
C.
For
D.
A．carry
B．bear
C．effect
D．delay -
单项选择题
在公共建筑设计中,安排门厅、过厅等形式的空间,起到交通枢纽与空间过渡的作用,不需要考虑的是( )。
A.人流集散、方向转换
B．空间的过渡
C．大型活动开展
D．过道、楼梯等空间的衔接
