皮皮学，免费搜题
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【单选题】
SolidWorks中使用快捷方式复制对象时，应按下以下哪个热键？
A.
Ctrl
B.
Shift
C.
Alt
D.
Tab
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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A.
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B.
7 号框架梁， 8 跨，两端为悬挑梁 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
7 号连梁， 8 跨，其中两跨为悬挑梁 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
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A.
CREATE INDEX NAME_IDX (first_name, last_name);
B.
CREATE INDEX NAME_IDX (first_name AND last_name);
C.
CREATE INDEX NAME_IDX   ON (first_name, last_name);
D.
CREATE INDEX NAME_IDX   ON employees (first_name AND last_name);
E.
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B.
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【简答题】When you come tonight at eight o'clock, I _____ eight lessons. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>A. A. would review prefix="o" ns="urn:schemas-microsoft-com:office...
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CREATE INDEX NAME_IDX (first_name AND last_name);
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CREATE INDEX NAME_IDX   ON (first_name, last_name);
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it is necessary for people to use phone calls, instant messages and direct photo shots via the mobile
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unlike phone calls, instant messages and direct photo shots via the mobile, postcards are not functional
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it is necessary for people to use postcards in spite of the convenience provided by other devices
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postcards are completely the same as phone calls, instant messages and others
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