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【简答题】
已知两码组为（0000）（1111），求出该码的汉明距离。若该码用于检错，能检测出多少位错码？若用于纠错，能纠正多少位错码？若同时用于检错、纠错，问抗干扰性能如何？
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【多选题】邓小平关于社会主义本质的科学论断，对建设中国特色社会主义实践的指导意义（）
A.
突出了生产力的基础地位和人民利益的目标，在动态中描述了社会主义本质
B.
廓清了不合乎时代进步和社会发展规律的模糊观念
C.
摆脱了长期以来拘泥于具体模式而忽略社会主义本质的错误倾向
D.
深化了对科学社会主义的认识
【简答题】Without proper planning, tourism can cause problems. For example, too many tourists can crowd public places that are also enjoyed by the inhabitants(居民) of a country. If tourists create too much traff...
【简答题】-Without proper planning, tourism can cause problems．For example, too many tourists can crowd public places that are also enjoyed by the inhabitants(居民) of a country. If tourists create too much traff...
【单选题】对燕麦胚芽鞘尖端进行如下图所示的处理：①将尖端套上不透光的锡箔小帽；②将尖端下部用锡箔遮住；③在尖端纵向插入云母片；④在尖端横向插入琼脂片；⑤切去胚芽鞘尖端。下列选项中正确的是 [ ]
A.
单侧光照，①②实验结果说明感受光刺激的部位在胚芽鞘尖端
B.
给予左侧光照时，仍直立向上生长的是①③④
C.
把④放在匀速转盘上，给予右侧光照，将向右弯曲生长
D.
如果把放过胚芽鞘尖端的琼脂块放在⑤的一侧，则其向同侧弯曲生长
【单选题】Without proper planning, tourism can cause problems. For ex ample, too many tourists can crowd public places that are also enjoyed by the inhabitants of a country. If tourists create too much traffic,...
A.
It is extremely important to develop tourism.
B.
Building roads and hotels is essential.
C.
Support facilities are highly necessary.
D.
Planning is of great importance to tourism.
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