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【单选题】
XG832的母婴置物架上不同高度的支架帽是食品级，可耐200℃高温，耐紫外线的（）材质。
A.
聚丙烯
B.
高硼硅
C.
聚酰胺
D.
硅橡胶
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away