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【单选题】
男,35岁,因胃癌入院手术,输注红细胞2单位,新鲜冰冻血浆,在输血开始后4小时,患者突然气急,呼吸困难,迅速出现呼吸,137℃,P98,R28次/分,BP120/70mmHg,该患者出现最可能是
A.
循环超负荷
B.
急性溶血反应
C.
过敏反应
D.
输血相关急性肺损伤
E.
细菌性反应
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A.
for
B.
to
C.
by
D.
at
【简答题】animation是由谢益辉建立的概率统计动态演示程序包, 请用命令或菜单的方法安装并加载animation, 并尝试下面的二个例子: ˆ 蒲丰投针试验: buffon.needle(nmax = 500, interval = 0) ˆ 中心极限定理: f = function(n) rchisq(n, 5) clt.ani(FUN = f) (只需要运行结果粘贴)
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【判断题】对流是混合无中各组分在外界因素作用下相互想其他组分所占的空间进行流动,以达到各组分在空间的均匀分布的过程。
A.
正确
B.
错误
【单选题】自然界植物种群中个体空间分布格局最常见的是:
A.
随机分布
B.
均匀分布
C.
集群分布
【单选题】【单选】Normally, better steerage will be achieved if a vessel is trimmed by the _____.
A.
head
B.
stem
C.
stern
D.
bow
【单选题】长三角地区的众创空间在空间布局上既不会随机分布也不可能均匀分布,其主要原因是
A.
.区域条件差异
B.
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C.
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D.
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【单选题】In rich countries, 'after years of advertising restrictions and campaigns warning of the health risks of smoking, consumers are starting to kick the habit. But consumption is still growing strongly in...
A.
In rich countries people are becoming more aware of the health risks of cigarettes and smokers are starting to quit.
B.
More than half of the smokers in the world are in Asia.
C.
More and more people in poorer countries are getting into the habit of smoking.
D.
Despite years' cigarette advertising restrictions in rich countries, cigarette sales worldwide are ever increasing.
【简答题】animation是由谢益辉建立的概率统计动态演示程序包, 请用命令或菜单的方法安装并加载animation, 并尝试下面的二个例子: ˆ 蒲丰投针试验: buffon.needle(nmax = 500, interval = 0) ˆ 中心极限定理: f = function(n) rchisq(n, 5) clt.ani(FUN = f) 把运行结果粘贴到
【单选题】Normally, better steerage will be achieved if a vessel is trimmed by the ( ).
A.
head
B.
stem
C.
stern
D.
bow
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