问题
单项选择题
破伤风杆菌具有很强的抵抗力,其主要原因是()。
A.有芽孢
B.属厌氧杆菌
C.有荚膜
D.对抗生素不敏感
E.能产生耐药性
答案
参考答案:A
破伤风杆菌具有很强的抵抗力,其主要原因是()。
A.有芽孢
B.属厌氧杆菌
C.有荚膜
D.对抗生素不敏感
E.能产生耐药性
参考答案:A
Usually, there is a teacher-parent meeting in every school year. Some students enjoy it, some don’t. Tom, a little boy invited his mother to attend his school's first teacher-parent meeting. To the little boy's __36__, she said she would go. This __37__ be the first time that his classmates and teacher __38__ his mother and he felt __39__ of her appearance. Although she was a beautiful woman, there was a severe scar (疤痕) that 40 nearly the entire right side of her face. The boy never wanted to _41__ why or how she got the scar. At the meeting, the people were __42__ by the kindness and natural beauty of his mother __43__ the scar, but the little boy was still embarrassed and 44 himself from everyone. He did, however, get within __45__of a conversation between his mother and his teacher. The teacher asked __46__, "How did you get the scar on your face?" The mother replied, "__47__ my son was a baby, he was in a room that caught fire. Everyone was __48__ afraid to go in because the fire was __49__,so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked __50__ but fortunately, a fireman came in and saved both of us." She __51__ the burned side of her face. "This scar will be __52__, but to this day, I have never __53__ what I did." At this point, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great __54__ of the sacrifice (牺牲) that his mother had made for him. He held her hand 55 for the rest of the day.
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