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【判断题】
读音判断: 峥嵘 (zhēng róng)岁月A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】It' s Sunday morning. There are many people in the park, some boys are playing basketball. There are some girls under a big tree. They' re singing and dancing. What are those women doing? They are dri...
【简答题】氯乙烯-乙酸乙烯酯共聚物,按重量计含氯乙烯单体45%、乙酸乙烯酯单体55%,水分散体,初级形状 。
【单选题】so many people in the U.S. been out of work as today.
A.
In the past, there never have
B.
More than ever before have
C.
Never before have
D.
Formerly, there never were
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