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【单选题】
用NaAc·3H2O晶体，2.0mol/L HAc来配制pH为5.0的HAc-NaAc缓冲溶液1L。其正确的配制是（ ）。M(NaAc·3H2O)=136.0g/mol,Ka=1.8×10-5。A.
将49gNaAc·3H2O晶体放入少量水中溶解，再加入50mL2.01mol/L HAc溶液，用水稀释1L
B.
将98gNaAc·3H2O放入少量水中溶解，再加入50mL2.01mol/L HAc溶液，用水稀释至1L
C.
将25gNaAc·3H2O放入少量水中溶解，再加入100mL2.01mol/L HAc溶液，用水稀释至1L
D.
将49gNaAc·3H2O放入少量水中溶解，再加入100mL2.01mol/L HAc溶液，用水稀释至1L
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【简答题】子曰:“雍也可使南面。”仲弓问子桑伯子,子曰:“可也简。”仲弓曰:“居(),不亦可乎?居简而行简,无乃大简乎?”子曰:“雍之言然。”
【单选题】I helped you to understand the _____ of education. I must let you know it is _____ of all now.
A.
importance, most important
B.
important, importance
C.
importance, the most important
【单选题】听力原文：W: If I understand you correctly, Mr. Savage, you were driving well within the speed limit when you were stopped by the Police. M: That's right. I always keep to the limit on Downside Road becaus...
A.
He is charged with drunken-driving.
B.
He is caught running over a child.
C.
He is caught using a defective speedometer.
D.
He is stopped dancing go-go in the street.
【简答题】人教版八年级上册数学第91页复习题答案
【单选题】______ I have heard the music I understand why you like it so much.
A.
Now that
B.
Unless
C.
Even though
D.
In case
【单选题】听力原文：W: If I understand you correctly, Mr. Savage, you were driving well within the speed limit when you were stopped by the Police. M: That's right. I always keep to the limit on Downside Road becaus...
A.
He is charged with drunken-driving.
B.
He is caught running over a child.
C.
He is caught using a defective speedometer.
D.
He is stopped dancing go-go in the street.
【单选题】一本书以每帖 16 面印刷,其中包括正反版各八面,第六贴的反面版包含的页码是()。
A.
98 99 102 103 106 107 110 111
B.
81 84 85 88 89 92 93 96
C.
161 164 165 168 169 172 173 176
D.
82 83 86 87 90 91 94 95
【简答题】作业3:第八课 复习教材第 89-91 页的 9 个文法(语法 2- 语法 10 ),并运用语法 2- 语法 8 共 8 个语法写出 5-8 个句子(规定的语法必须全部用上),并将日语句翻译成汉语。请使用一张空白纸,将所用到的文法和序号写明确。 拍照提交。
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