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 ___________ (获得，增加).
小题2:he parents of the______________ (溺水) boy he had saved showed their great thanks to him.
小题3:Tom was driving his sports car at an _____________（难以置信的）high speed.
小题4:A bad workman always finds ___________ (错误，过错) with his tools.
小题5:A good way to get a stamp off an ____________ (信封) is to soak it off.
小题6:___________ (不像) me, he has a great interest in gardening.
小题7:The talented young ___________(物理学家) was warmly welcomed by the people in his hometown.
小题8:There is a shortage of ___________ (氧气) in a room where there is a working heater.
小题9:He feels ___________ (轻微地) sick at the bad smell.
小题10:You’d better give a lecture without ____________ (参考) to your notes.
小题1:gain
小题2:drowning
小题3:unbelievable
小题4:fault
小题5:envelope
小题6:Unlike
小题7:physicist
小题8:oxygen
小题9:slightly
小题10:referring
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。