根据下列句子各句句意和空白之后的汉语提示词，在句子右边的横线上写出空缺处相应单词的正确形式，每空只写一词。
【小题1】t is effective for him to take regular exercise to prevent weight gain (获得，增加).
【小题2】he parents of thedrowning (溺水) boy he had saved showed their great thanks to him.
【小题3】Tom was driving his sports car at an unbelievable （难以置信的）high speed.
【小题4】A bad workman always finds fault (错误，过错) with his tools.
【小题5】A good way to get a stamp off an envelope (信封) is to soak it off.
【小题6】Unlike (不像) me, he has a great interest in gardening.
【小题7】The talented young physicist (物理学家) was warmly weled by the people in his hometown.
【小题8】There is a shortage of oxygen (氧气) in a room where there is a working heater.
【小题9】He feels slightly (轻微地) sick at the bad smell.
【小题10】You’d better give a lecture without referring (参考) to your notes.
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解析：
【小题1】定期参加锻炼可以防止体重增加，weight gain 用名词表示。
【小题2】the drowning boy 溺水的孩子
【小题3】unbelievable adj.难以置信的，修饰high speed。
【小题4】fault名词作find的宾语。
【小题5】前面有an用单数envelope。
【小题6】不像用unlike，介词短语作状语。
【小题7】后面有was用physicist 单数。
【小题8】氧气oxgyen 不可数名词用原形。
【小题9】修饰sick用副词slightly表示。
【小题10】without是介词所以用referring。