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【判断题】
开普勒望远镜对无限远物体成倒立的像,物镜框是系统的孔径光阑,置于一次实像面处的分划板是视场光阑,目镜往往是渐晕光阑。A.
正确
B.
错误
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【单选题】What is the colour code of the shelves where normal size novels are placed?
A.
Blue.
B.
Red.
C.
Yellow.
D.
White.
【简答题】Fill in the following blanks with the information you learn from the Fill in the following blanks with the information you learn from the reading text. 1. The red colour of the National Flag of the PR...
【简答题】小题1:What is the colour of blood in a vein near the suce of the skin? A．Blue. B．Light yellow. C．Red. D．Dark reddish purple. 小题2:Why do some old people look a little shrunken as they age? A．Because t...
【单选题】Listen to a team having a meeting to decide how to complete the task below. Choose the options they decide on. Type of catering:
A.
company catering
B.
events catering
【简答题】【绝热自由膨胀】由绝热材料包围的容器被隔板隔为两半,左边是理想气体,右边真空。如果把隔板撤去,气体将进行自由膨胀过程,达到平衡后气体的温度将 (填“升高”、“降低”、“不变”)。
【单选题】Which of the following is true according to the text?
A.
Chicago's sweeping statute was struck down for its involving too many arrests.
B.
Chicago officials still maintained their get-tough crime policies.
C.
It was not safe for children to play on the street.
D.
California used a scalpel while other states used an invisible mallet to cope with the gangs.
【单选题】由绝热材料包围的容器被隔板隔为两半,一边是理想气体,另一边是真空 . 如果把隔板撤去,气体将进行自由膨胀,达到平衡后,
A.
气体的温度降低，熵减少．
B.
气体的温度升高，熵增加．
C.
气体的温度升高，熵不变．
D.
气体的温度不变，熵增加．
【简答题】【绝热自由膨胀】由绝热材料包围的容器被隔板隔为两半,左边是理想气体,右边真空。如果把隔板撤去,气体将进行自由膨胀过程,达到平衡后气体的温度将 不变,该过程是 过程(填“准静态”、“非准静态”)
【简答题】(Matching) Text structure
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