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【单选题】
用合适的酶将待检测的样品 DNA切成片段,然后用电泳的方法将这些片段按大小分开,最后形成DNA指纹图,这就是DNA指纹技术。刑侦人员获得了如下DNA指纹图,下列说法 错误 的是
A.
DNA指纹技术可用限制酶处理待测的样品DNA
B.
DNA指纹技术可用于亲子鉴定和死者遗骸鉴定
C.
身高悬殊的同卵双胞胎,其 DNA指纹图差异较大
D.
依据图中的证据可判断,怀疑对象 1最可能是罪犯
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参考答案:
举一反三
【单选题】平行投射线由左向右垂直W面,在W面上产生的投影叫做( )
A.
正立投影图
B.
水平投影图
C.
侧立投影图
D.
背投影图
【单选题】When he got off the crowded bus,he found his pocket________and the disk in it with the important documents gone. [      ]
A.
picked
B.
stolen
C.
missing
D.
lost
【单选题】He saw a boy _____ on the truck when he got off the train. [     ]
A.
played
B.
to play
C.
playing
D.
is playing
【判断题】公路自行车大组赛冲线前可以曲线行驶以干扰对手冲刺
A.
正确
B.
错误
【单选题】大批量生产类型的工艺特征之一是采用 ( ▲ ) 。
A.
通用机床
B.
简单工艺规程
C.
通用刀、夹、量具
D.
详细工艺规程
【单选题】The Prime Minister was followed by five or six______when he got off the plane.
A.
laymen
B.
servants
C.
directors
D.
attendants
【单选题】When he got off the bus, he found his pocket ___.
A.
stolen
B.
picked
C.
gone
D.
missing
【简答题】布魯姆精熟學習設計教育心理學內容
【简答题】Jack arrived in a big city of China. When he got off the train, he felt very hungry (饥饿的) and wanted to ___1___some food. But he didn’t know___2___to get to a food shop, so he bought a___3___of the ci...
【简答题】Who did he meet when he got off the plane?
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