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【单选题】
在SolidWorks中,用于创建特征的命令位于命令管理器的【特征】选项卡(下图)和( )菜单中,单击选项卡中相应的按钮或者选择相应的菜单命令,就可以基于草图创建各种所需的特征。
A.
视图
B.
工具
C.
插入
D.
装配
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】在横断层面上，胸锁乳突肌叙述错误的是
A.
随层面向下则其逐渐向前移
B.
颈外静脉多位于其外侧
C.
其深面有颈动脉鞘及其结构
D.
其断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
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【单选题】一衍射光栅，每厘米有200条透光缝，每条透光缝宽a=2×10-3cm，在光栅后放一焦距f=1m的凸透镜，现以波长λ=600nm的单色平行光垂直照射光栅，则在透光缝a的单缝衍射中央明条纹宽度内，出现光栅衍射光谱线的条数是（）。
A.
3条
B.
4条
C.
5条
D.
7条
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【简答题】阅读理解。 Americans think that travel is good for you . Some even think it can help to solve one of the country’s worst problems—crime . Crime worries a lot of people . Every year , the number of crimes g...
查看完整题目与答案
【单选题】在横断层面上,胸锁乳突肌叙述错误的是
A.
随层面向下则逐渐前移
B.
颈外静脉多位于其外侧
C.
深部有颈动脉鞘及其结构
D.
断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
查看完整题目与答案
【简答题】完形填空。 Americans think that travel is good for you, some even think it can help one of the country's worst problems-crime. Crime worries a lot of people. Every year, the number of crimes goes 1 . And m...
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【单选题】关于胸锁乳突肌的叙述，错误的是
A.
随横断层向下其逐渐向前移
B.
颈外静脉多位于其外侧
C.
其深面有颈动脉鞘及其结构
D.
其横断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
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【判断题】The Americans think that time is a precious resource.
A.
正确
B.
错误
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【单选题】听力原文： Most Americans think that ice cream is as American as baseball and apple pie. But ice cream was known long before America was discovered. The Roman emperor Nero may have made a kind of ice cream...
A.
They think that ice cream is very new.
B.
They know that ice cream is brought from Europe.
C.
They think that ice cream was an American idea.
D.
They don't know what ice cream is.
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【单选题】1要绘制与3个对象都相切的圆,最好是( )。
A.
选择菜单 “ 绘图→圆→相切、相切、相切 ” 命令
B.
选择菜单 “ 绘图→圆→相切、相切、半径 ” 命令
C.
选择菜单 “ 绘图→圆→三点 ” 命令
D.
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【简答题】阅读理解。 Traveling Can Help Solve the Crime Problems Americans think that travel is good for you. Some even think it can help to solve one of the country's worst problems-crime. Crime worries a lot of pe...
查看完整题目与答案
【单选题】在横断层面上，胸锁乳突肌叙述错误的是
A.
随层面向下则其逐渐向前移
B.
颈外静脉多位于其外侧
C.
其深面有颈动脉鞘及其结构
D.
其断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
查看完整题目与答案
【单选题】一衍射光栅，每厘米有200条透光缝，每条透光缝宽a=2×10-3cm，在光栅后放一焦距f=1m的凸透镜，现以波长λ=600nm的单色平行光垂直照射光栅，则在透光缝a的单缝衍射中央明条纹宽度内，出现光栅衍射光谱线的条数是（）。
A.
3条
B.
4条
C.
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D.
7条
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【简答题】阅读理解。 Americans think that travel is good for you . Some even think it can help to solve one of the country’s worst problems—crime . Crime worries a lot of people . Every year , the number of crimes g...
查看完整题目与答案
【单选题】在横断层面上,胸锁乳突肌叙述错误的是
A.
随层面向下则逐渐前移
B.
颈外静脉多位于其外侧
C.
深部有颈动脉鞘及其结构
D.
断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
查看完整题目与答案
【简答题】完形填空。 Americans think that travel is good for you, some even think it can help one of the country's worst problems-crime. Crime worries a lot of people. Every year, the number of crimes goes 1 . And m...
查看完整题目与答案
【单选题】关于胸锁乳突肌的叙述，错误的是
A.
随横断层向下其逐渐向前移
B.
颈外静脉多位于其外侧
C.
其深面有颈动脉鞘及其结构
D.
其横断面向下逐渐缩小
E.
其内、外侧有颈外侧淋巴结
查看完整题目与答案
【判断题】The Americans think that time is a precious resource.
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文： Most Americans think that ice cream is as American as baseball and apple pie. But ice cream was known long before America was discovered. The Roman emperor Nero may have made a kind of ice cream...
A.
They think that ice cream is very new.
B.
They know that ice cream is brought from Europe.
C.
They think that ice cream was an American idea.
D.
They don't know what ice cream is.
查看完整题目与答案
【单选题】1要绘制与3个对象都相切的圆,最好是( )。
A.
选择菜单 “ 绘图→圆→相切、相切、相切 ” 命令
B.
选择菜单 “ 绘图→圆→相切、相切、半径 ” 命令
C.
选择菜单 “ 绘图→圆→三点 ” 命令
D.
单击 “ 圆 ” 按钮，并在命令行输入 “ 3P ” 命令
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