It is reported that a new planet has been discovered recently. It's _____ Earth, and hopefully it can support

human life. [ ]

A. almost three times the size of

B. three times the size than

C. three times almost as large as

D. almost three times as larger as

塑钢门窗材料属于（）。

A、无机金属材料

B、复合材料

C、无机非金属材料

D、有机材料