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【单选题】
LC串联回路谐振时,回路 。A.
呈容性
B.
呈感性
C.
阻抗最大
D.
阻抗最小
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反馈参考答案：
举一反三
【单选题】You are discussing a subject with a Japanese team. Suddenly everyone becomes quiet. You should _____.
A.
tell a joke to wake them up
B.
give your discount now
C.
be quiet too
D.
ask them what the problem is
【单选题】Situation 5 Suppose you are discussing a proposal made by a Westerner, but think you wouldn't accept it,because it is highly demanding and far beyond expectation. In order to be polite, you reply to h...
A.
This is a positive message and you would likely accept it late consideration.
B.
This is a refusal.
【简答题】岐山森林公园中心景区导览图
【简答题】能与生物碱产生沉淀的试剂称______。生物碱的沉淀反应，一般在______条件下进行。
【简答题】目前在河流生态评价中主要使用的方法是:A. 多参数评价法
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