在生物化学反应中，当底物与酶的活性位点形成互补结构时（如甲图A所示），可催化底物发生变化。酶抑制剂是与酶结合并降低酶活性的分子，其中竞争性抑制剂与底物竞争酶的活性位点，从而降低酶对底物的催化效应；非竞争性抑制剂和酶活性位点以外的其他位点结合，能改变酶的构型，使酶不能与底物结合，从而使酶失去催化活性。下列有关叙述不正确的是

增加: 在缺词处加一个漏字符号(/\),并在其下面写出该加的词。

删除: 把多余的词用斜线(\) 划掉。

修改: 在错的词下划一横线，并在该词下面写出修改后的词。

注意: 1）每处错误及其修改均仅限一词:

2）只允许修改10处，多者(从第11处起) 不计分。

    Mr. Johnson is a hardworking teacher. Every day, he spends too much time with his work. With little sleep and hardly any break, so he works from morning till night. Hard work have made him very ill. “He has ruined his healthy. We are worried about him.” That is which other teachers say. Yesterday afternoon. I paid visit to Mr. Johnson. I was eager to see him, but outside her room I stopped. I had to calm myself down. Quietly I step into the room. I saw him lying in bed, looking at some of the picture we had taken together. I understood that he missed us just as many as we missed him.

下列几种行为，按“自尊、自信、自立、自强”四种心理品质依次对应排序，顺序正确的一组是（    ）

①我的衣服自己洗，作业自己独立完成

②不待扬鞭自奋蹄

③当老师把出黑板报的任务交给小兰时，小兰微笑着说：“Yes，I can!”

④在公共场所，我会约束自己的行为，注意自己的形象

在我们的天气日历中可以用简化的风速等级来划分为____、____和____三个等级。

物理学中常用一些模型来形象地描述一些客观存在的物质，例： ____可以用来表示光的传播路径和方向；磁感线可以用来表示 ____的大小和方向．