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【判断题】
广播媒体的发展呈现出“频道越办内容越分越细、收听对象定位更加明确”的特征。()A.
正确
B.
错误
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举一反三
【单选题】How did the man try to meet the requirement for the credits in the last two years?
A.
By taking eight intermediate-level courses.
B.
By taking six intermediate-level courses.
C.
By taking two more intro courses and doing field research.
D.
By following the chairperson’s advice to do additional work.
【单选题】下列关于心交感神经对心脏的作用,叙述错误的是
A.
通过β1肾上腺素能受体起作用
B.
激动肌质网上RYR受体和钙泵
C.
房室结细胞L型钙电流的增强
D.
房室结细胞L型钙电流的减弱
E.
使心室射血量增多
【简答题】Please try to do your own CV/resume for job hunting or postgraduation examation interview Requirement: by MS word, one page, upload via attachment
【单选题】下列关于心交感神经的作用的叙述，错误的是
A.
促进2期Ca 2+ 内流
B.
提高慢反应细胞4期自动除极速率
C.
促进肌质网摄取Ca 2+
D.
激活腺苷酸环化酶，使胞内cAMP浓度升高
E.
抑制K + 外流
【单选题】According to Grice’s Cooperative Principle, speakers should try to make their contribution as informative as is required for the current purpose of the exchange as the requirement of ____________.
A.
The Maxim of Quality
B.
The Maxim of Relevance
C.
The Maxim of Quantity
D.
The Maxim of Manner
【单选题】下列关于心交感神经作用的叙述，哪项是错误的（）
A.
节后纤维末梢释放肾上腺素
B.
增强心肌细胞对Ca2+的通透性
C.
使心率加快
D.
使心肌传导速度加快
E.
使心肌收缩力加强
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