※ [46~48] ( ) .
参考答案:C
把一个钝角分成两个角,如果其中一个是直角,那么另一个角一定是______角.在一块三角板中,有两个角的度数相等,这块三角板的三个角中最小的角是______度.
Cans, glass bottles and newspapers can be taken to ______ and ______. [ ]
A. recycled centres; reuse
B. recycled centres; reusing
C. recycling centres; reused
D. recycling centres; used