问题
选择题
下列物质按照纯净物、混合物、电解质和非电解质顺序排列的是 （ ）
A．盐酸、水煤气、醋酸、干冰
B．冰醋酸、福尔马林、硫酸钠、乙醇
C．单甘油酯、混甘油酯、苛性钾、石灰石
D．胆矾、漂白粉、氯化钾、氯气
答案
答案：B
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下列物质按照纯净物、混合物、电解质和非电解质顺序排列的是 （ ）
A．盐酸、水煤气、醋酸、干冰
B．冰醋酸、福尔马林、硫酸钠、乙醇
C．单甘油酯、混甘油酯、苛性钾、石灰石
D．胆矾、漂白粉、氯化钾、氯气
答案：B
It was her giggling that draw my attention. Note taking really wasn’t all that funny. Walking over to the offender, I asked for the 46 . Frozen, she refused to give it to me. I waited, all attention in the classroom on the quiet 47 between teacher and student. When she finally 48 it over she whispered, “Okay, but I didn’t draw it.” It was a hand-drawn 49 of me, teeth blackened and the words “I’m stupid” coming out of my mouth. I managed to fold it up calmly. My mind, 50 , was working angrily as I struggled not to 51 . I figured I knew the two most likely candidates for drawing the picture. It would do them some 52 to teach them a lesson, and maybe it was high time that I did it! Thankfully, I was able to keep myself 53 . When there were about six minutes remaining, I showed the class the picture. They were all silent as I told them how 54 this was for me. I told them there must be a reason behind and now was their 55 to write down anything they needed to tell me. Then I let them write silently 56 I sniffed in the back of the classroom. As I 57 the notes later, many of them said something like, “I’ve got nothing against you.” or “I’m sorry you were hurt.” Some kids said, “We’re afraid of you.” But two notes, from the girls who I 58 were behind the picture, had a list of issues. I was too 59 , too strict … Reading those notes, I realized that over the course of this year, instead of 60 my student, I had begun commanding them to 61 . Where I thought I was driving them to success I was 62 driving them away. I had some apology to do. But the next day I the classroom, one boy and one girl each handed me a card. The one 63 by all the boys expressed sincere regret for the ugly joke. The one from the girls asked for 64 . This was a lesson for both the kids and me. Forgiveness does not change the past, but it does enlarge the 65 .
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