A:{x|-1<x<1}
B:{ x|-2<x<1}
C:{ x|-2<x<2}
D:{x|0<x<1}
生物既能适应环境,又能影响环境.下列各项能说明生物影响环境的是( )
—Last night I worked until 1 o'clock. And ____ made me sick. The boss asked me to have a rest.
某校运动员分组训练,若每组7人,余3人;若每组8人,则缺5人;设运动员人数为x人,组数为y组,则列方程组为