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【单选题】
下列选项中属于理想化物理模型的是( )A.
磁场
B.
磁感应线
C.
通电螺线管
D.
匀强磁场
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皮皮学刷刷变学霸
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【单选题】听力原文： At the end of the 19th century, a social scientist visited Stockwell, in south London. He was involved in an ambitious project, led by the shipping magnate Charles Booth, to color-code every str...
A.
urban planner
B.
social scientist
C.
shipping tycoon
D.
government consultant
【单选题】Section B Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you ...
A.
Long distance race.
B.
100-metre race.
C.
Fun games.
D.
Watching TV.
【单选题】某厂生产的食用油经产品质量监督部门抽查检验被确认为不合格产品，该厂对检验结果有异议，拟提起复检申请，下列哪项表述是不正确的?( )
A.
自收到检验结果之日起30日内
B.
应向原实施抽查的产品质量监督部门申请复检
C.
应向原实施抽查的产品质量监督部门的上级产品质量监督部门申请复检
D.
自收到检验结果之日起15日内
【简答题】Do you know what your child is going to do when the school bell rings at the end of the day? More than 14 million students leave school every afternoon and have nowhere to go, since they do not have a...
【简答题】English and its history Old English In the middle of the 5 th century, the language 1.________ in Britain was Celtic. Then Britain was 2.________ by the Angles and the Saxons, who brought their langua...
【简答题】上图沉积速度随温度变化的曲线中,曲线部分是 机制,直线部分是 机制。
【简答题】Complete the paragraph with the correct form of the underlined words. Exclusive liberal quest reluctant restrain slender tolerate In the history of Western fashion, it is women’s clothes which a...
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