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【单选题】
为中暑患者用灌肠法降温,则宜选用的灌肠液及温度是:A.
生理盐水溶液。4度
B.
等渗盐水溶液,28~32度
C.
0.1%~0.2%肥皂水溶液,28~32度
D.
0.9%的NaCl溶液,28~32度
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举一反三
【简答题】平键联接的主要形位误差要求是__________;矩形花键联接的主要形位误差要求是____位置度_____。
【简答题】皂苷的提取通法是什么，请用流程表示。
【简答题】平键联接的主要形位误差要求是 __________ ;矩形花键联接的主要形位误差要求是 __________ 。
【单选题】在双缝干涉实验中,为使接收屏上的干涉条纹间距变大,便于观察,可以采取的办法是 .
A.
使接收屏靠近双缝
B.
使两缝的间距变小
C.
把缝宽调小
D.
改用波长较小的单色光源
【单选题】When Sargeson’s stories are compared to “swarming wasps that disturb the world by their little humming and painful stings,” “the world” here most likely refers to _____.
A.
the highly educated elite
B.
the low class people who suffer from hardship
C.
the indifferent and uncaring people
D.
the countries severely affected by the Depression
【单选题】When Sargeson’s stories are compared to “swarming wasps that disturb the world by their little humming and painful stings,” “the world” here most likely refers to _____.
A.
the low class people who suffer from hardship
B.
the indifferent and uncaring people
C.
the countries severely affected by the Depression
D.
the highly educated elite
【单选题】下面哪个是不合法的变量名? #00360033003600361581335328362 #00360033003600361581335328362 #00360033003600361581335328362
A.
g-year
B.
g_year
C.
_tt
D.
r5
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