【单选题】The manager of the company insisted that all the staff members ______ the new safety rules.
【单选题】Equipment not ______ official safety standards has all been removed from the workshop.
【单选题】当植物组织受伤时,其呼吸速率往往( )。
【简答题】设f(x)是一个多项式,用f(x)表示把f(x)的系数分别换成它们的共轭数后所得多项式. 证明: (i)若g(x)|f(x),那么 ; (ii)若d(x)是f(x)和f(x)的一个最大公因式,并且d(x)的最高次项系数是1,那么d(x)是一个实系数多项式.
【简答题】当植物组织受伤时,其呼吸速率变______。
【判断题】任意f(x)与g(x)是数域F上的两个多项式,若有F上多项式u(x)、v(x),使d(x)=f(x)u(x)+g(x)v(x),则d(x)是f(x)与g(x)的一个最大公因式。
【单选题】The new buildings here are all reinforced with steel, ______ safety in case of an earthquake.
【简答题】______ safety, you must keep all medicines away from children.
【判断题】已知多项式f(x)与g(x),若有u(x),v(x)使d(x)=f(x)u(x)+g(x)v(x),则d(x)是f(x)与g(x)的最大公因式。