问题 判断题

人们常用酵母菌来制作酸奶。

答案

题目分析:酵母菌既能进行有氧呼吸,又能进行无氧呼吸.在有氧存在时,葡萄糖被彻底分解成二氧化碳和水,释放出大量能量;没有氧的情况下,葡萄糖的分解不彻底,产物是酒精和二氧化碳,同时释放出少量能量.因此利用酵母菌,在有氧的条件下用来制作馒头、面包,在无氧的条件下用来制作酿酒.酸奶是以鲜牛奶为原料,加入乳酸菌发酵而成的.该说法是错误的.

改错题

此题要求改正所给短文中的错误。对标有题号的每一行作出判断,如无错误,则在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(╲)划掉,在该行右边的横线上写出该词,并也用斜线划掉。

此行缺一个词;在缺词处加一个漏字符号(∧),在该行右边的横线上写出该加的词。

此行错一个词:在错的词下画一条横线,在该行右边的横线上写出改正后的词。

注意:原行没有错的不要改。

I have a good friend who's name is Li Ying. She is our         76.                    

monitor and one of the excellent student in our class.               77.       

Clever as she is, but she works very hard. We have a              78.       

lot on common and have a lot to talk about. One evening          79.       

she told me that something happened when her parents was        80.       

out. She was doing her homework one Sunday morning           81.       

when she smell something burnt. She stopped to look out          82.       

of the window and find a cloud of smoke coming out             83.       

of her neighbor's house. She called 119 immediate. Ten            84.       

minutes later, firemen came and put out fire. Her neighbor          85.       

was very thankful for her help.

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