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【判断题】

苯乙烯自聚制得的聚苯乙烯塑料为无色透明体,易于加工成型。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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【单选题】Desperately short of living space and dangerously prone to flooding, the Netherlands plans to start building homes, businesses and even roads on water. With nearly a third of the country already cover...

A.
most parts of the country are covered by water
B.
the country is constantly threatened by floods
C.
it will promote the cultivation of flowers
D.
people think it better to live on water