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【单选题】
下列聚合物中玻璃化转变温度最高的是（）A.
聚氯乙烯；
B.
聚乙烯；
C.
氯化聚乙烯；
D.
聚二甲基硅氧烷。
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皮皮学刷刷变学霸
举一反三
【单选题】He has _________ friends here because he is always friendly.
A.
quite few
B.
quite little
C.
quite a few
D.
quite a little
【单选题】He spent quite a large sum of money for the _____________ decoration of his house.
A.
adornment
B.
furniture
C.
courtyard
D.
flowers
【简答题】At that time, he spent as muchtime as he can the ancient status which would be sankin the river. A.paint B. to paint C.painting D. painted
【单选题】He spent quite a large sum of money _____ his house.
A.
decorating
B.
declining
C.
, defecting
D.
defining
【简答题】柏拉图主张按照儿童心理发展的规律对儿童进行分阶段教育。 （ ）
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