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【简答题】
当加在某导体两端电压为4V时,通过它的电流为0.25A,则这导体的电阻为______Ω;当加在它两端的电压增大1倍时,该导体的电阻为______ Ω,导体中通过的电流为_______A 。当加在导体两端电压为0V时,导体电阻为______ Ω
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【简答题】对于未能解答的客户咨询的问题,应由 人员把问题及时转到 ,再由相关人员予以解答。
【单选题】关于绩效考核指标评价标准的注意事项，下列说法错误的是（）
A.
指标评价标准的压力要适度
B.
指标评价标准要有一定的稳定性
C.
对指标评价标准的修订需要做大幅度的变动
D.
需要对指标评价标准进行不断的修订
【单选题】The young writer’s first book ______next month is based on a real person and event.
A.
published
B.
publishing
C.
to be published
D.
to publish
【单选题】At first few month after birth and when a person is young ,what happens to a person's eyes according to the text?
A.
He is long-sighted; his two eye are not cooperated and he sees clearly in dim light.
B.
His mother always worries that he will ruin his eyes because he likes to read in dim light.
C.
His eyes can see clearly in bright light and the two eye can move in exact unison.
D.
The vision of his eyes reaches the best point when a person is at the age of six.
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