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【单选题】
关于妊娠期母体心脏的变化，错误的是A.
.心脏容量至孕末期约增加10%
B.
.心率每分钟增加10～15次
C.
心尖部听及柔软吹风样收缩期杂音
D.
心电图可出现电轴左偏
E.
心功能Ⅲ级以上
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举一反三
【单选题】It is the prevention of disease______its successful treatment that has led to the rapid increase of the world’s population.
A.
rather than
B.
less than
C.
in addition to
D.
in the direction of
【单选题】The dog has been of most value to man in the development of ______.
A.
a treatment for rabies
B.
open-heart surgery
C.
a cure for distemper
D.
Both A and C
【单选题】A sample of n = 16 individuals is selected from a population with μ = 40 and σ = 12, and a treatment is administered to the sample. After treatment, the sample mean is M = 42. How does this sample com...
A.
It is an extreme value that would be very unlikely if the treatment has no effect.
B.
It is much the same as samples that would be obtained if the treatment has no effect.
C.
The mean is noticeably larger than would be expected if the treatment has no effect but it is not quite an extreme sample.
D.
There is no way to compare this sample with those that would be obtained if the treatment had no effect.
【简答题】It is the prion of disease rather than is successful treatment that has led to the tremendous increase in the population of the world during the past 75 years.
【单选题】习近平总书记指出:“各民族要相互了解、相互尊重、相互包容、相互欣赏、相互学习、相互帮助,像石榴籽那样紧紧抱在一起。”这句话表明,做忠诚的爱国者,大学生应该( )
A.
推进祖国统一
B.
促进民族团结
C.
增强国家安全意识
D.
树立改革创新意识
【单选题】It is the prevention of disease ______its successful treatment that has led to the rapid increase of the world' s population.
A.
rather than
B.
including
C.
but also
D.
less than
【单选题】Which of the following suggestions has NOT been raised by the Ethical Treatment of Animals?
A.
To improve the diets of hens
B.
To move chickens into large farms
C.
To make chickens sleep before they are killed
D.
To improve chickens' lives
【单选题】An effective system of disease prevention and treatment has been established in every country,all over the world.
A.
Right
B.
Wrong
C.
Not mentioned
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