【简答题】As an (experience) ______ teacher, he knows exactly how to deal with the poor students.
【简答题】某导体两端电压为10 V,通过导体的电流为0.5 A,导体的电阻为 ,当导体变为20V时,电阻为 。
【单选题】It seems that he never knows how to speak in a ______ way.
【单选题】山茱萸的味感为 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】某导体两端电压为10V,通过电流为2A;导体的电阻应为
【单选题】_______, he knows how to live and study.