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【单选题】
Miss Gorgers asked this question because she wanted to know whether.A.
it was easy to phone to Los Angeles
B.
her student could hear her from 75 feet away
C.
her students had grasped(理解 ) her lessone
D.
sound waves were slower than electricity
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【单选题】At the end of the passage, suggestions are made EXCEPT______.
A.
that the city and state take actions to improve bilingual education.
B.
that teachers who make contributions in this field be rewarded.
C.
that schools be in great need of qualified teachers.
D.
that measures be taken to change the current situation.
【单选题】下列关于心室肌细胞0期的叙述,错误的是( )
A.
去极化部分称为超射
B.
时程短
C.
快钠通道具有电压依赖性
D.
去极化达到峰值后立刻进入复极化过程
E.
形成机制与骨骼肌类似
【简答题】液压传动必须在()进行,依靠液体的()来传递动力。
【简答题】下列关于心室肌细胞0期的叙述,错误的是( )
【单选题】下列关于心室肌细胞钠通道的叙述,错误的是
A.
是电压依从性的
B.
激活和失活的速度都快
C.
可被河豚毒阻断
D.
去极化到-40mV时被激活
E.
只有Na+可以通过
【简答题】city and state ____
【简答题】West Berlin was treated as a city and state of the Federal Republic of Germany until the ______ of the German state in 1990, though it was not constitutionally part of that nation. (reunify)
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