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【单选题】
耳蜗毛细胞感受器电位产生的机制是A.
Na + 经化学门控通道内流
B.
Na + 经电压门控通道内流
C.
K + 经机械门控通道内流
D.
K + 经电压门控通道内流
E.
Ca 2+ 经电压门控通道内流
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举一反三
【单选题】●在对大型及复杂项目实施跟踪和控制的过程中，需要重点关注的环节是(49)。 (49)
A.
对项目过程的持续改进
B.
对项目总体计划的实时更新
C.
加强绩效报告的有效性并处理好项目的变更
D.
确定项目实现其质量目标的方法
【单选题】建设工程项目进度控制的主要工作环节包括：①进度目标的分析和论证；②进度计划的跟踪检查；③进度计划的编制；④进度计划的调整。其正确的控制程序是（ ）。
A.
①—③—②—④
B.
③—①—②—④
C.
②—①—③—④
D.
③—②—①—④
【单选题】Hurston employs a metaphor to evaluate the effects of slavery (“ sixty years in the past”) on her life . What is that metaphor?
A.
One chapter has closed; another has begun.
B.
That dark road has led to a bright highway.
C.
The operation was successful, and the patient is doing well.
D.
That dark night of the soul has been transformed by a glorious sunrise.
【单选题】What is metaphor?
A.
a figure of speech in which a thing or concept is referred to by the name of something closely associated with that thing or concept
B.
a figure of speech comparing two unlike things having at least one quality or characteristic in common, often introduced by “like”, “as ... as”, “just as … so …”, etc.
C.
a figure of speech which involves an implied comparison between two unlike things having at least one quality or characteristic in common
D.
a figure of speech in which a term for a part of something refers to the whole of something or vice versa
【简答题】《桃花源记》的作者是谁?什么朝代的著名诗人?
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