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【单选题】
关于小鼠的给药途径,以下说法错误的是
A.
采用灌胃给药的实验操作在给药前动物需禁食一段时间
B.
小鼠尾静脉注射应从尾根部开始
C.
灌胃给药时，若动物出现剧烈挣扎，胃针退出后再进针
D.
腹腔注射时针头刺入不能太深太靠上，以免伤及内脏
E.
皮下给药时给药量一般为 0.05 ～ 0.25ml/10g
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皮皮学刷刷变学霸
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A.
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A.
made it possible
B.
made possible
C.
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D.
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A.
I=KlgS
B.
K=SlgI
C.
S=KlgI
D.
S=IlgK(其中，S为感觉量，K为常数，I为刺激强度)
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quietly
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【单选题】费希纳定律表明（）。
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感受性和感觉阈限成反比
B.
判别阈限和原来刺激强度的比例是一个常数
C.
心理量和刺激的物理量的对数成正比
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心理量是刺激的物理量的幂函数
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【单选题】While jobs in science, technology, engineering and math(STEM)professions may be plentiful, many teenagers are unwilling to pursue a long-term career in these fields. According to a new survey, student...
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the few work opportunities related to STEM
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engineering, math
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相关题目：
【判断题】费希纳定律表明,心理量与刺激强度的对数成正比。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Further space exploration has been _______ with the rapid development of China’s science and technology.
A.
made it possible
B.
made possible
C.
made it possibly
D.
made possibly
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【单选题】费希纳定律表明，感觉的变化比刺激强度增长慢，即心理感觉量与物理刺激量的对数值成正比。公式为（ ）
A.
I=KlgS
B.
K=SlgI
C.
S=KlgI
D.
S=IlgK(其中，S为感觉量，K为常数，I为刺激强度)
查看完整题目与答案
【单选题】In the good care of the nurse, the boy is recovering from his heart operation.
A.
quietly
B.
actually
C.
practically
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【单选题】The nurse is preparing to administer a dose of naloxone intravenously to a client with an opioid overdose. Which supportive medical equipment should the nurse plan to have at the client's bedside if n...
A.
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查看完整题目与答案
【单选题】费希纳定律表明（）。
A.
感受性和感觉阈限成反比
B.
判别阈限和原来刺激强度的比例是一个常数
C.
心理量和刺激的物理量的对数成正比
D.
心理量是刺激的物理量的幂函数
查看完整题目与答案
【单选题】While jobs in science, technology, engineering and math(STEM)professions may be plentiful, many teenagers are unwilling to pursue a long-term career in these fields. According to a new survey, student...
A.
the hard work needed along the career path
B.
the high tuition they have to pay at college
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the few work opportunities related to STEM
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the long time taken to get the academic degree
查看完整题目与答案
【单选题】STEM refers to science, technology, , and .
A.
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B.
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C.
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