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【判断题】
酸碱指示剂的变色与溶液的pH值有关,与温度无关。( )A.
正确
B.
错误
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举一反三
【简答题】He spent a whole complete day copying the first full page of the dictionary even and again, he would read everything he sin including the quotation marks. Then, ag had copied aloud to himself. He reme...
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【简答题】Find out the missing words and complete the magazine article "First Impressions" on page 9 of Let's Talk 2 .
【简答题】Fill the blanks with proper words (one word for one blank) to complete the improve d sentences in Exercises 2 on page 66, the Textbook. (9) Adequate evidence must be ___________ to prove a theory.
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