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【多选题】
关于碱解法分离DNA,下面说法正确的是A.
溶液I的作用是悬浮菌体
B.
溶液Ⅱ的作用是使DNA变性
C.
溶液Ⅲ的作用是使DNA复性
D.
DNA分子小，所以没有变性，染色体变性后不能复性
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反馈参考答案：
举一反三
【简答题】挤出机的普通螺杆一般为为三段,分别是 段、 段和 段。
【简答题】你认为目前物业管理行业发展中存在的主要问题是什么?(3个以上)
【单选题】The ____________ not only refers to all the people living in a particular area or country but also the feelings of sharing the things and belonging to a group.
A.
Community
B.
Club
C.
Committee
D.
Variety
【简答题】某一般纳税人企业,原材料采用实际成本法核算,购买材料取得增值税专用发票,材料未到,货款已经支付,应编制的会计分录是
【单选题】( )the advice effect is limited.
A.
Evidence
B.
Evidence
C.
Evidence of
D.
Evidence on
【单选题】患者，男性，发热38．5℃，全身有小出血点，头晕乏力，经医院查血红蛋白80g/L， 红细胞3×1012/L，白细胞3×109/L，血小板70×109/L，确诊为再生障碍性贫血。其发热的主要原因是
A.
营养不良
B.
缺乏成熟中性粒细胞
C.
缺氧
D.
出血
E.
新陈代谢旺盛
【单选题】In the ________ future, all the people living in the village ________ will have to move to another place because of the expansion of the factory. [ ]
A.
near; nearby
B.
near; nearly
C.
nearly; nearby
D.
nearby; near
【单选题】Reverends suggestions for people living with regrets for years are all of the following EXCEPT______.
A.
having a view shift towards regret
B.
identifying the regret
C.
doing something to change the present situation
D.
forgetting all about the regret
【单选题】People living in cities have easy _____ to all means of transportations.
A.
chance
B.
way
C.
opportunity
D.
access
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