问题
单项选择题 B型题
识别、杀伤与清除体内突变细胞，以防止肿瘤发生的功能称为（）
A.免疫防御
B.免疫自稳
C.免疫监视
D.免疫耐受
E.免疫应答
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
识别、杀伤与清除体内突变细胞，以防止肿瘤发生的功能称为（）
A.免疫防御
B.免疫自稳
C.免疫监视
D.免疫耐受
E.免疫应答
参考答案：C
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| Last year Tom left school. He came to Beijing to 1 a job. He went from one company (公司) to another but 2 wanted him. Now he had little money. He had to go back to his small town. So he came to the station. He felt 3 and tired. It was very late at night and the 4 was full of people. They were waiting to 5 tickets of the last train. He bought the last ticket, and he was very happy. At that time, a woman with a crying baby walked to him. She asked him to sell her the ticket. He gave her the ticket. He thought they needed it 6 he did. After 7 left, he sat on the bench (长凳) and didn't know 8 to go. Just then, an old woman came and said, "Young man, I 9 what you did to the woman. I have a big company. I need a good young man like 10 . Would you like to work for me?" | ||||
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