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【单选题】
在我国现阶段的所有制结构中，国有经济对经济的发展起主导作用，这种主导作用主要体现在国有经济（ ）。A.
在社会总资产中占量的优势
B.
在所有制结构L中占主体地位
C.
对国民经济发展的控制力上
D.
在各地区各行业占优势
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举一反三
【单选题】晚期产后出血最常见的原因是 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
胎盘，胎膜残留
B.
蜕膜残留
C.
. 剖宫产术后子宫伤口裂开 prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
D.
感染
E.
子宫胎盘附着部位复旧不全
【单选题】Do you find getting up in the morning so difficult that it 's painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle. Duri...
A.
he is a lazy person
B.
he refuses to follow his own energy cycle
C.
he is not sure when his energy is low
D.
he is at his peak in the afternoon or evening
【单选题】Do you find getting up in the morning so difficult that it's painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle. Durin...
A.
he is a lazy person
B.
he is not sure why his energy is low
C.
he refuses to follow his own energy cycle
D.
he is at his peak in the afternoon or evening
【简答题】固体表面的润湿性能由_______和微观结构共同决定
【单选题】Do you find getting up in the morning so difficult that it's painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle. Durin...
A.
he is a lazy person
B.
he refuses to follow his own energy cycle
C.
he is not sure when his energy is low
D.
he is at his peak in the afternoon or evening
【单选题】设计键连接的几项主要内容是：a.按轮毂长度选择键的长度 b.按使用要求选择键的适当类型c.按轴的直径选择键的剖面尺寸 d.对键进行必要的强度校核在具体设计时一般顺序为_________。
A.
b →a→c→d
B.
b→c→a→d
C.
a→c→b→d
D.
c→d→b→a
【简答题】字符串"sgabacbadfgbacst" 中存在( )个与字符串"ba"相同的子串。
【单选题】设计键连接的几项主要内容是:a)按轮毂长度选择键的长度;b)按使用要求选择键的类型;c)按轴的直径选择键的剖面尺寸;d)对连接进行必要的强度校核。正确顺序应是 ( ) 。
A.
b-c-a-d
B.
b-a-c-d
C.
a-c-b-d
D.
c-d-b-a
【单选题】设计键 连接 的几项主要内容是 : a) 按轮彀长度选择键的长度 b)按使用要求选择键的主要类型 c)按轴的直径选择键的剖面尺寸 d)对联结进行必要的强度校核。 在具体设计时 ,一 般顺序是 __ 。
A.
b→c→a→d
B.
c→d→b→a
C.
a→c→b→d
D.
b→a→c→d
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