烟花爆竹销售单元最大表面积大于20cm2时，标注内容的文字、符号_爱下问搜题

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问题判断题

烟花爆竹销售单元最大表面积大于20cm2时，标注内容的文字、符号、数字的高度应不小于1.8mm。销售单元是单个产品且表面积小于20cm2时，可不标注品种、装药量、生产日期、保质期和燃放安全区域等内容。

答案

参考答案：对

选择题

决定元素种类的是原子的（　　）

A．质子数

B．中子数

C．电子数

D．最外层电子数

完形填空

完形填空（每小题1.5分，共30分）
阅读下面短文，掌握其大意，然后从36-55各小题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
I found out that doing a favor for someone could get you into a lot of 36 . I was in the eighth grade at the time, and we were having a final 37 . During the test, the girl 38  next to me whispered something, but I didn’t understand. So I leaned over her way and found out that she was trying to ask me 39 . I had an extra pen. She showed me that 40  was out of ink and would not write. I happened to have an extra one, so I took it out of my pocket and put it on her desk.
Later, after the test papers had been 41 , the teacher asked me to 42  in the room when all the other students were 43 . As soon as we were alone, she began to talk to me about   44 it meant to grow up; she mentioned how important it was to stand 45  your own two feet and be responsible for your own acts. For a long time, she talked about honesty and emphasized（强调）the fact 46 people do something dishonest, they are really 47 themselves. She made me promise that I would think 48 about all the things she had said, and then she told me I could 49 , I walked out of the room wondering 50 she had chosen to talk to me about all those things.
Later on, I found out that she thought I had cheated in the test. When she saw me lean over to talk to the girl next to me, it looked 51 I was copying answers 52 the girl’s test paper. I tried to explain about the pen, but all she could say was that it seemed very strange to her that I hadn’t 53 anything about the pen the day she talked to me right after the test.
54 I tried to explain that I was just doing the girl a favor 55  letting her use my pen, I am sure she continued to believe that I had cheated in the test.

A．Long before

C．Even though