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【简答题】
What’s the theme of the passage? (You can quote from these paragraphs of the text introduction, and better add your own explanation. As homework with no less than 80 words)
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反馈参考答案：
举一反三
【单选题】当用一元强碱滴定一元强酸时,若酸和碱的浓度均增大 10 倍,则化学计量点前 0.1% 的 pH 减小 单位,化学计量点的 pH ,化学计量点后 0.1% 的 pH 增大 。
A.
1 ，不变， 1
B.
0.1 ，不变，0. 1
【简答题】Although a step forward had been taken, their religious _______________ pred them from taking up arms. (convict)
【简答题】Directions: Fill in the blanks in the following paragraph with the exact words that appear in your textbook. Fill in each blank with only ONE word. Dear Dad, It’s been more than a year now. I've trave...
【单选题】图示电路在换路前已处于稳定状态，在【图片】=0瞬间将开关S闭合，则时间常数【图片】=( )。【图片】
A.
0.08 s
B.
0.04 s
C.
0.02 s
D.
0.01 s
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