问题
单项选择题
扩频技术分成很多种，其中WCDMA采用的是（）。
A、直接序列扩频
B、调频扩频
C、混合扩频
D、非直接序列扩频
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
扩频技术分成很多种，其中WCDMA采用的是（）。
A、直接序列扩频
B、调频扩频
C、混合扩频
D、非直接序列扩频
参考答案：A
It was her giggling(咯咯的笑)that drew my attention. Note taking really wasn’t all that funny. Walking over to the offender, I asked for the . Frozen, she refused to give it to me. I waited, all attention in the classroom on the quiet between teacher and student. When she finally it over, she whispered, “Okay, but I didn’t draw it.” It was a hand-drawn of me, teeth blackened and the words “I’m stupid” coming out of my mouth. I managed to fold it up calmly. My mind, , was working angrily as I struggled not to . I figured I knew the two most likely candidates for drawing the picture. It would do them some to teach them a lesson, and maybe it was high time that I did it! Thankfully, I was able to keep myself . When there were about six minutes remaining, I showed the class the picture. They were all silent as I told them how this was for me. I told them there must be a reason and now was their chance to write down anything they needed to tell me. Then I let them write silently while I sniffed in the back of the classroom. As I 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 of you.” But two notes, from the girls who I were behind the picture, had a list of issues. I was too , too strict… Reading those notes, I realized that over the course of this year, instead of my students, I had begun commanding them to . Where I thought I was driving them to success, I was driving them away. I had some apologies to make. But the next day in the classroom, one boy and one girl each handed me a card. The one by all the boys expressed sincere regret for the ugly joke. The one from the girls asked for . This was a lesson for both the kids and me. Forgiveness does not change the past, but it does enlarge the .
|