问题
单项选择题 A2型题
四氯化碳在细胞色素P450催化下还原脱卤形成三氯甲烷自由基·CCl，可攻击生物膜引起（）
A.脂质过氧化
B.转录调节障碍
C.减少酶的合成
D.破坏酶的结构
E.细胞周期紊乱
答案
参考答案：A
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四氯化碳在细胞色素P450催化下还原脱卤形成三氯甲烷自由基·CCl，可攻击生物膜引起（）
A.脂质过氧化
B.转录调节障碍
C.减少酶的合成
D.破坏酶的结构
E.细胞周期紊乱
参考答案：A
| 完形填空。 |
| Danny is very interested in 1 . He thinks it's easy. Today he 2 a camera in a shop in Wangfujing. He is very happy. He wants to 3 pictures very much. So he asks Jenny and Li Ming to sit in front of the window. He tells them 4 . But suddenly he falls and breaks his tail. He is always not 5 . |
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