皮皮学,免费搜题
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【简答题】
Everyone needs friends. We all like to feel close to someone. We can share 小题1:s with our friends and turn to them for help when we are in trouble. In a word, it is nice to have a friend to 小题2:t , laugh and do things with. Certainly, sometimes we need to be alone. We don’t always want people around. But we would feel 小题3:l if we never had a friend. To make 小题4:f , you must be friendly. A cheerful person smiles. A smile always makes the others like you. Smile at someone and you are sure to get a smile小题5:b from him. Try to remember names. It小题6:m your new friends feel happy when you call them by their names, 小题7:b you don’t forget them. No two people are just the same. If you don’t agree with other people, you should still be friendly. Do not argue, but 小题8:d . You always lose friends if you argue too much. And you should think more of others than 小题9:o yourself. It’s good for teenagers to have one or a group of good friends. This is very 小题10:i in children’s growing up, because friends can discuss things which are too difficult to say to their family members. There’s more good news for people who have friends. They live 小题11:l than people who don’t have. Why? It could be that they小题12:a happier. Being happy helps you stay well and it could be good just knowing that someone cares about you.
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【单选题】在工作中,采用{.XZ}砂纸对中涂漆打磨会产生打磨痕迹
A.
干磨P500
B.
干磨P600
C.
水磨1000#
D.
水磨400#
【多选题】以下属于数学规划分支的是( )。
A.
线性规划
B.
整数规划
C.
动态规划
D.
多目标规划
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基金净值的高低
B.
基金单位净值的高低
C.
基金规模的大小
D.
基金净值增长能力的高低
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A.
基金净值的高低
B.
基金单位净值的高低
C.
基金规模的大小
D.
基金净值增长能力的高低
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A.
正确
B.
错误
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A.
原核生物基因组具有操纵子结构
B.
原核生物结构基因是断裂基因
C.
原核生物基因组中含有插入序列
D.
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E.
原核生物结构基因的转录产物为多顺反子
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班固
B.
班超
C.
班彪
D.
班梁
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是指胸内大静脉和右心房的血压
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可以反映心脏射血机能
C.
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深呼气时中心静脉压升高
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以上都不是
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【多选题】工作中,产生打磨痕迹的主要原因有{.XZ}
A.
打磨工具的技术状态不良或操作不当
B.
砂纸质量差,有掉砂现象
C.
在打磨平面时未采用打磨垫,局部用力过猛
D.
打磨后未检查被打磨表面的质量
E.
中涂漆层未干透就进行打磨
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