下列有关生物实验所涉及的仪器、试剂及技术的说法正确的是
①脂肪的鉴定②噬菌体侵染细菌实验③证明DNA半保留复制
④光合色素提取和分离⑤有丝分裂的观察实验⑥DNA的粗提取与鉴定
C
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TheobjectiveoftheChartistMovementwasdemocraticrightsforallmen,andittookitsnamefrom“________”.
Australiaislocatedbetween________andtheIndianOcean.
Australia,whichisoneoftheworld'sdevelopedcountries,hasbecomerichthrough________.