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问题 单项选择题

全身性抽搐的表现不正确的是（）.

A.意识丧失或模糊，全身强直

B.以全身骨骼肌痉挛为主

C.发作停止后意识恢复

D.以上肢手部最典型，呈"助产士手"

E.以上都不是

答案

参考答案：D

单项选择题

家畜(特别是猪)大量食入含亚硝酸盐较多的萝卜、白菜、甜菜等作物，通常在饲喂后1h左右就开始出现症状，患畜呼吸困难，口吐白沫，倒地挣扎

该动物出现的缺氧类型为______

A．低张性缺氧
B．等张性缺氧
C．循环性缺氧
D．组织性缺氧
E．乏氧性缺氧
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单项选择题

In a nationwide poll, P people were asked 2 questions. If 2/5 answered "yes" to question 1, and of those 1/3 also answered "yes" to question 2, which of the following represents the number of people polled who did not answer "yes" to both questions ？（）

A. 2/15 P

B. 3/5 P

C. 3/4 P

D. 5/6 P

E. 13/15 P
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