题目：
非专业电工接触电气设备机会少，故触电事故少。第三章建议删除
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0717/c3ee9ae94c4ad650e597841532bcad7c.html
下面是错误答案，用来干扰机器的。
参考答案：数据流图解析： 数据流图是描述信息在软件系统中流动与处理的图形工具。
非专业电工接触电气设备机会少，故触电事故少。第三章建议删除
来源：www.tikuol.com
题型：判断题
试题推荐
题型：单项选择题 A2型题
10个月婴儿，广西籍，母乳喂养，面色进行性苍白3个月，肝肋下2cm，脾肋下4cm。RBC3．0×1012／L，Hb60g／L，MCV56fl网织红细胞0．025，WBC和PLT正常，最可能的诊断是（）
A.营养性缺铁性贫血
B.营养性巨幼细胞贫血
C.铅中毒
D.肺含铁血黄素沉着症
E.地中海贫血
题型：单项选择题
以下各项中，( )是海关对伪造、变造、买卖海关单证的行政处罚。
A．没收违法所得，依法追究刑事责任
B．处5万元以上50万元以下罚款，有违法所得的，没收违法所得；构成犯罪的，依法追究刑事责任
C．处10万元以上80万元以下罚款，有违法所得的，没收违法所得
D．处6万元以上20万元以下罚款，有违法所得的，没收违法所得；构成犯罪的，依法追究刑事责任
题型：选择题
Among the 15-year-old children, some ____ studying in university while others are still learning to read and
write. [ ]
A. should have been
B. would have been
C. can be
D. must be
题型：完形填空
| 完形填空 | ||||
| One day a mother brought home a small 1 and gave it to her little girl on her birthday. She told her little girl that the jar was 2 , and that she could write to her mommy about anything in the world and then put it in the jar. And 3 , in its place, there would be a 4 for her. Soon the jar became a special part of their lives. The little girl loved to get 5 from her mommy. They always told her how 6 she was. Sometimes, too, there would be a little 7 in the jar with a note telling her how 8 her mommy was of her. She 9 all of her mommy's letters in a pretty box by her bed. The mother 10 each of her little girl's letters, too. As the years went by, that little girl 11 into a young lady and then got married and started a 12 of her own. For the first time, the jar sat 13 . The mother dusted the jar every day and sometimes looked inside, 14 sadly that the magic jar years had to end. One day the young lady came to 15 her mother. She went straight to her mother's room, opened the chest at the end of her bed, and found what she was looking for. She 16 a piece of paper and put it in the jar, and 17 it to her mother. The mother opened the magic jar and there was that note from so long ago, "You're going to be a 18 !" And when that baby boy was born months later, there was the jar 19 in his nursery (育儿室) with a blue bow tied around it, and a note that read,"Magic jar years never 20 : they are always just beginning." | ||||
|
题型：选择题
下列说法错误的是（ ）
A．催化剂是通过降低反应所需的活化能来增大反应速率的
B．对于有气体参加的反应，压强增大，单位体积内的活化分子数增多，发生有效碰撞的机会增多，反应速率加快
C．发生碰撞的分子只要具有足够的能量，就能够发生有效碰撞
D．光、电磁波、超声波等因素会对反应速率产生影响
