黑火药是我国古代四大发明之一，黑火药爆炸的反应主要是：2KNO3+3C+S点燃.

短文改错：

下面短文中有10处语法错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号（∧）,并在其下面写上该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

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11处起）不计分。

Did you enjoy yourself yesterday? I suppose you did. But I’d like to tell you how a bad day I had yesterday. Nothing just went wrong. In the morning, my alarm clock didn’t ring, so I woke up an hour late. I was in such hurry that I burnt my hand when I was cooking the breakfast. Then I ran out of the house to catch the 8:30 buses. This is the bus I usually take. But, you may laugh, I missed it of course. I am very unhappy and scared as well because teacher hates the students coming late to school. So I ran three miles to school only to discover that nobody was there. The school was quiet but peaceful. Our classroom was locking. I realized in that moment: It was Sunday.

《无损检测人员技术资格鉴定通则》中规定，磁粉检测Ⅱ级资格认证应具备的最低实践经历时间为（）个月。

A.8

B.7

C.6

D.3

前苏联以马克思主义为指导最早探讨教育问题的教育家是______。

A．克鲁普斯卡娅

B．苏霍姆林斯基

C．马卡连柯

D．凯洛夫

中国证监会受理申请文件后，对发行人申请文件的合规性进行初审。在初审过程中，中国证监会将就发行人的投资项目是否符合国家产业政策征求国家发改革委的意见。国家发改委自收到文件后，在10个工作日内将有关意见函告中国证监会。( )

外燥证的特点，以下哪项是错误的( )

A．感受外界燥邪

B．可继发于血虚阴津亏损

C．见于气候干燥少雨之地

D．有凉燥温燥之分