选词填空(可变换形式)

【小题1】Instead of giving in,the Chinese were determined to defend their motherland ____________。
【小题2】Mistakes ____________ carelessness may have serious consequences.
【小题3】All our efforts to persuade the man out of his crazy plan were ____________。
【小题4】Any experiment in the lab can't be conducted ____________,or it'll cause terrible problems.
【小题5】According to the experts,lack of exercise ____________ obesity and health problems.
【小题6】When you ____________ something important in the survey,write it down.
【小题7】The doctor ____________ the villager's health problems ____________ the poor housing conditions.
【小题8】Last year,the local villagers ____________ the building of the chemical factory,saying that it might seriously damage the environment.