皮皮学,免费搜题
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搜题
【单选题】
在区域空间的节点与节点之间的要素流动中,要素的流动的载体是( )
A.
网络
B.
节点
C.
域面
D.
轴线
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【简答题】蒸汽只在喷嘴叶栅中进行膨胀,而在动叶中不膨胀的级称为____级。
【判断题】若某配合的Xmax=+20μm,Tf=30μm,则该配合一定是过渡配合。
A.
正确
B.
错误
【判断题】系统分析过程中,目标具有层次性,应该尽量确立层次较高的目标。
A.
正确
B.
错误
【判断题】系统分析过程中,目标具有层次性,应该尽量确立层次较高的目标。
A.
正确
B.
错误
【简答题】分光计上进行实验测量之前必须对分光计进行如下四步骤的调节,用“各半调节法”只用于第( )步骤;而“自准法” 是用于第( )步骤。(填写大写字母,如果一空有多个选项,请用“;”隔开,如“A;B”且按顺序排列。) A.粗调; B.望远镜聚焦于无穷远; C.望远镜光轴与分光计中心轴垂直(也包含载物台与分光计中心轴垂直);D.平行光管发射平行光,且其光轴也与分光计中心轴垂直。
【判断题】所有国家的民商法都将农业职业者定义为商人。()
A.
正确
B.
错误
【简答题】完形填空。 I have a twin sister, Anna. She has 1 hair than me. I don't like long hair. Many people think we 2 have lots of things in common. I'm afraid this is not true. When my parents' fiends come to my ...
【单选题】II.完型填空 I have a twin sister,Kitty. She has (11) hair than me. I don't like long hair.Many people think we (12) have lots of things in common.l-m afraid this is not true. When my parents ’friends come...
A.
longer
B.
long
C.
short
D.
shorter
【单选题】I used to have short hair, but now I have ________ hair.
A.
curly
B.
long
C.
straight
D.
brown
【简答题】My name is Linda. I’m a girl. I live in Canada .I have two big eyes. My eyes are green. I have long, red hair. I am 1.6 meters tall. I have long arms and long legs. I like black .Black is my favourite...
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