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【单选题】
肺炎双球菌的体内和体外转化实验的结论是( )A.
蛋白质是遗传物质
B.
DNA是遗传物质
C.
基因组是遗传物质
D.
RNA是遗传物质
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反馈参考答案：
举一反三
【多选题】《爱尔克的灯光》中，引发作者联翩思绪的直接触发物有（）
A.
阔别了十八年的故居
B.
照壁上“长宜子孙”四个字
C.
姐姐的悲惨命运
D.
大门内亮起的昏暗灯光
E.
哈立希岛上的灯光
【判断题】There was once a large, fat woman who had a small, thin husband. He had a job in a big company and was given his weekly wage s every Friday evening. As soon as he got home on Fridays, his wife used to...
A.
正确
B.
错误
【单选题】《爱尔克的灯光》中故居照壁上“长宜子孙”四个字引发的作者的思想感情是
A.
对遥远旧梦的怀念
B.
对姐姐不幸遭遇的痛惜
C.
对祖辈的亲密回忆
D.
对封建家庭的彻底否定
【单选题】下列有关重复序列的叙述正确的是()
A.
重复频率为106次,称高度重复序列
B.
重复频率为104次,称中度重复序列
C.
重复频率为2次,称单拷贝序列
D.
重复频率为1次,称单拷贝序列
E.
反转重复序列是指在同一DNA链上反向排列的两个相同序列
【判断题】There was once a large, fat woman who had a small, thin husband. He had a job in a big company and was given his weekly wage s every Friday evening. As soon as he got home on Fridays, his wife used to...
A.
正确
B.
错误
【单选题】《党政机关公文处理工作条例》第二十五条规定,已经发文机关负责人签批的公文,印发前应当对公文的审批手续、内容、文种、格式等进行()
A.
校核
B.
审核
C.
复核
D.
核发
【判断题】There was once a large, fat woman who had a small, thin husband. He had a job in a big company and was given his weekly wage s every Friday evening. As soon as he got home on Fridays, his wife used to...
A.
正确
B.
错误
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