皮皮学，免费搜题
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【单选题】
创建 PCB 文件，执行菜单命令File（文件）→（），创建一个 PCB文件，默认原理图文件名为 PCB1.PcbDoc。执行菜单命令“File（文件）→Save（保存）”。A.
New（新建）→Project（工程）
B.
New（新建）→Schematic（原理图）
C.
New（新建）→PCB（PCB 文件）
D.
New（新建）→Create Project Folder（创建工程文件夹）
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】属于孕激素的生理作用的是
A.
使增生期的子宫内膜转化为分泌期
B.
使阴道上皮细胞增生、角化
C.
促使子宫肌层变厚，增强对缩宫素的敏感性
D.
使乳腺腺管增生
E.
促进输卵管的蠕动，利于受精卵的运输
【单选题】The main idea of the story is that ________.
A.
) the bond between fathers and sons is unbreakable
B.
) a son found that his father was his whole world
C.
) a father hoped that his son would have a better future
【单选题】属于孕激素的生理作用的是
A.
使增生期子宫内膜转化为分泌期
B.
促使子宫发育及肌层变厚
C.
使乳腺管增生
D.
使阴道上皮细胞增生 , 角化
E.
增加子宫肌对雌激素的敏感性
【简答题】The story of Paradise Lost is based on ____.
【单选题】The main idea of the story is that ________.
A.
) Dorothy, the mother in the house, quarreled with her daughter-in-law and decided to leave and start over
B.
) Dorothy and Tim, as mother and son, overcame a misunderstanding and made up to each other at last
C.
) thinking that she was redundant in the house, Dorothy decided to leave but her son and daughter-in-law convinced her that she was welcome and needed
D.
) Dorothy was worried about her place in the house when her daughter-in-law began to stay at home full time
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