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《淮南子·兵略训》“千人同心,则得千人力;万人异心,则无一人之用。”这句话是 [ ]
1年前
The ____ expression on his face suggested that he ____ understand what I said.
1年前
试简述流体压强与流速的关系.如如图所示是飞机机翼模型,请简单解释飞机获得向上升力的原因.
1年前
It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
1年前
单词go to school跟go to the school有什么不同?
1年前