皮皮学，免费搜题
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搜题
【单选题】
肺表面活性物质是由肺内哪种细胞合成分泌的A.
肺泡Ⅰ型上皮细胞
B.
肺泡Ⅱ型上皮细胞
C.
气道上皮细胞
D.
肺成纤维细胞
E.
肺泡巨噬细胞
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】System. out .println( new JButton( " 开报警灯 " ).getX()); 的功能是获取按钮“开报警灯”的 ()。
A.
位置的 x 坐标
B.
位置的 y 坐标
C.
宽度
D.
高度
【单选题】The earliest controversies about the relationship between photography and art centered on whether photograph's fidelity to appearances and dependence on a machine allowed it to be a fine art as distin...
A.
defining the Modernist attitude toward art
B.
explaining how photography emerged as a fine art
C.
explaining the attitude of serious contemporary photographers toward photography as art and placing those attitudes in their historical context
D.
defining the various approaches that serious contemporary photographers take toward their art and assessing the value of each of those approaches
【单选题】The earliest controversies about the relationship between photography and art centered on whether photograph’s fidelity to appearances and dependence on a machine allowed it to be a fine art as distin...
A.
defining the Modernist attitude toward art
B.
explaining how photography emerged as a fine art
C.
explaining the attitude of serious contemporary photographers toward photography as art and placing those attitudes in their historical context
D.
defining the various approaches that serious contemporary photographers take toward their art and assessing the value of each of those approaches
【单选题】苯在催化剂中进行加氢反应,微孔中同时存在分子扩散和克努森扩散,氢的分子扩散系数为 0.7175px 2 /s ,克努森扩散 系数 为 0.0706 cm 2 /s ,则综合扩散系数为
A.
0.0287 cm 2 /s
B.
0.0706 cm 2 /s
C.
0.0202 cm 2 /s
D.
0.0993 cm 2 /s
【判断题】new JFrame().getContentPane().add(new JButton(" 开报警灯 ")); 的作用是获取容器面板添加按钮“开报警灯”
A.
正确
B.
错误
【简答题】生物膜包括细胞____和____;构成细胞膜的脂质有____、____和____。
【单选题】典型肝脓肿在CT上的表现不包括
A.
平扫低密度病变，中心区CT值略高于水
B.
多为圆或椭圆形，部分腔内有分隔
C.
多数病灶边缘不清楚
D.
病变周围出现不同密度环征
E.
增强后扫描,脓肿壁无强化
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