
【名词&注释】
心电图(electrocardiogram)、兴奋性(excitability)、胃蛋白酶(pepsin)、知识点(knowledge point)、工商业(commerce and industry)、超极化(hyperpolarization)、社会主义改造(socialist transformation)、中间神经元(interneuron)
[单选题]我国在社会主义改造(socialist transformation)中对资本主义工商业采取的政策是
A. 和平赎买(利用、限制、改造)
B. 国家资本主义
C. 没收
D. 保护
查看答案&解析
举一反三:
[单选题]胃蛋白酶在下列哪种情况下才具有活性
A. pH7以上
B. pH4以上
C. pH3以下
D. 需要有乙醇激活
E. 需要有胆汁激活
[单选题]Washington's decision to free slaves originated from his
A. moral considerations.
B. military experience.
C. financial conditions.
D. political stand.
[单选题]突触前抑制的发生是由于
A. 突触前膜兴奋性递质释放减少
B. 突触前膜释放抑制性递质
C. 突触后膜超极化(hyperpolarization)
D. 侧支抑制
E. 抑制性中间神经元(interneuron)兴奋的结果
[单选题]窦性心律的心电图表现必须具备
A. 各导联均可见P波,P波在Ⅰ、Ⅱ、aVF、V5、V6导联应直立,在aVR导联应倒置,PR间期应0.12秒
B. 各导联均可见P波,P波在Ⅰ、Ⅱ、aVF导联应倒置,在aVR导联应直立,PR间期0.12秒
C. 各导联可见倒置P波,PR间期0.12秒
D. 各导联均可见P波,在I、aVL导联倒置,aVR导联直立,PR间期≤0.12秒
E. 各导联P波消失,RR间期正常、相等
[单选题]Which of the following would be the best title for the text?
A. Strain of Stress: No Way Out?
B. Responses to Stress: Gender Difference
C. Stress Analysis: What Chemicals Say
D. Gender Inequality: Women Under Stress
[单选题]
A. .impetusB. input
B. imitation
C. initiative
[单选题]My brother, ______ lives in Iceland, is coming to visit us.
A. whom
B. that
C. what
D. who
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