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【单选题】
给一个图层创建图层蒙版后,蒙版的默认颜色是?
A.
黑色
B.
白色
C.
灰色
D.
透明色
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】Geena David knew she wanted to be a movie star when she was very young. She was not sure what gave her the idea, but she wanted to look like a movie star. “I have a lot of pictures from my childhood o...
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【简答题】Geena David knew she wanted to be a movie star when she was very young．She was not sure what gave her the idea, but she wanted to look like a movie star．“I have a lot of pictures from my childhood of ...
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【判断题】梁在纯弯曲时截面上的内力既有剪力又有弯矩。
A.
正确
B.
错误
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【判断题】梁弯曲时,其横截面上的内力不仅与作用在梁上的外力有关,还与梁的支承有关。
A.
正确
B.
错误
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【简答题】Alice was twenty-three years old, and she was a nurse at a big hospital . She was very kind and all of her patients (病人) likes her very much . One day she was out shopping. She saw an old woman. The w...
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【单选题】通用定时器比较操作在（）时，产生对称波形。
A.
连续增/减计数模式
B.
连续增计数模式
C.
通用定时器定向增/减计数模式
D.
以上都可以
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【单选题】为了使梁在弯曲变形时有足够的强度,应使梁内最大正应力与材料的许用应力满足( )。
A.
最大正应力大于许用应力
B.
最大正应力等于许用应力
C.
最大正应力小于许用应力
D.
不一定
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【多选题】以下关于海关查验的表述正确的是：
A.
进出口货物收发货人对海关查验结论有异议，可以向海关提出复验要求
B.
已经参加过查验的查验人员应当参加对同一票货物的复验
C.
经海关通知查验，进出口货物收发货人或其代理人届时未到场的，海关可以径行开验
D.
进出口货物的收发货人或其代理人在海关查验时，对货物是否受损坏未提出异议，事后发现货物有损坏的，海关不负赔偿的责任
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【多选题】以下关于海关查验的表达正确的是：（ ）
A.
进出口货物收发货人对海关查验结论有异议，可以向海关提出复验要求
B.
已经参加过查验的查验人员应当参加对同一票货物的复验
C.
经海关通知查验，进出口货物收发货人或者代理人届时未到场的，海关可以径行开验
D.
进出口货物的收发货人或其代理人在海关查验时，对货物是否受损坏未提出异议，事后发现货物有损坏的，海关不负赔偿的责任
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【简答题】Six-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very...
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【简答题】Geena David knew she wanted to be a movie star when she was very young. She was not sure what gave her the idea, but she wanted to look like a movie star. “I have a lot of pictures from my childhood o...
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【简答题】Geena David knew she wanted to be a movie star when she was very young．She was not sure what gave her the idea, but she wanted to look like a movie star．“I have a lot of pictures from my childhood of ...
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【判断题】梁在纯弯曲时截面上的内力既有剪力又有弯矩。
A.
正确
B.
错误
查看完整题目与答案
【判断题】梁弯曲时,其横截面上的内力不仅与作用在梁上的外力有关,还与梁的支承有关。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Alice was twenty-three years old, and she was a nurse at a big hospital . She was very kind and all of her patients (病人) likes her very much . One day she was out shopping. She saw an old woman. The w...
查看完整题目与答案
【单选题】通用定时器比较操作在（）时，产生对称波形。
A.
连续增/减计数模式
B.
连续增计数模式
C.
通用定时器定向增/减计数模式
D.
以上都可以
查看完整题目与答案
【单选题】为了使梁在弯曲变形时有足够的强度,应使梁内最大正应力与材料的许用应力满足( )。
A.
最大正应力大于许用应力
B.
最大正应力等于许用应力
C.
最大正应力小于许用应力
D.
不一定
查看完整题目与答案
【多选题】以下关于海关查验的表述正确的是：
A.
进出口货物收发货人对海关查验结论有异议，可以向海关提出复验要求
B.
已经参加过查验的查验人员应当参加对同一票货物的复验
C.
经海关通知查验，进出口货物收发货人或其代理人届时未到场的，海关可以径行开验
D.
进出口货物的收发货人或其代理人在海关查验时，对货物是否受损坏未提出异议，事后发现货物有损坏的，海关不负赔偿的责任
查看完整题目与答案
【多选题】以下关于海关查验的表达正确的是：（ ）
A.
进出口货物收发货人对海关查验结论有异议，可以向海关提出复验要求
B.
已经参加过查验的查验人员应当参加对同一票货物的复验
C.
经海关通知查验，进出口货物收发货人或者代理人届时未到场的，海关可以径行开验
D.
进出口货物的收发货人或其代理人在海关查验时，对货物是否受损坏未提出异议，事后发现货物有损坏的，海关不负赔偿的责任
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【简答题】Six-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very...
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