根据下列各句句意和空白之后的汉语提示词，在写出对应单词的正确、完整形式，每空只写一词。【小题1】Window screens are effective(有效的) in keepi

根据下列各句句意和空白之后的汉语提示词，在写出对应单词的正确、完整形式，每空只写一词。
【小题1】Window screens are effective (有效的) in keeping out mosquitoes.
【小题2】An old man in shabby (寒酸的) clothes came to the door.
【小题3】The other possibility, Mr. Jouanny said, was that the thief / thieves (小偷) might just like the painting.
【小题4】Will it be convenient (方便的) for you to start work tomorrow?
【小题5】All of them areprofessors (教授) of chemistry at Chicago University.
【小题6】This is the most importantreform (改革)of the police service in over 50 years.
【小题7】Just now the police came and arrested (逮捕) the man who had robbed the bank.
【小题8】The bellindicating (表示) the end of the period rang, interrupting our heated discussion.
【小题9】We are going to delete (删除) some names from the list.
【小题10】The object of this society is to perfect its members practically (实际地) and scientifically.

解析：【小题1】effective 根据所给中文，且用其形容词，所以直接选填 effective【小题2】shabby 根据所给中文，且用其形容词，所以直接填shabby【小题3】thief / thieves 根据所给中文，用thief，原文没有提到单复数，所以都可以 【小题4】convenient 根据所给中文，且主语为it，只有convenient【小题5】professors 根据中文，且前为are,所有用其复数形式【小题6】reform 根据中文，直接选填reform【小题7】arrested 根据所给中文，再加上前面的came，所以用过去式：arrested 【小题8】indicating 根据所给中文，选用indicate，本句已有谓语动词rang,所以需要用非谓语动词，铃声表示结束，是主动发出，所以用Ving形式【小题9】delete 根据中文，且不定式后用动词原形，所以直接填delete【小题10】practically 根据中文意思且其后的scientifically，所以用副词形式

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