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举一反三
【多选题】下列关于黄河的叙述，正确的是（ ）
A.
黄河流经的主要地形区有青藏高原、内蒙古高原、华北平原
B.
黄河是我国的第二大河
C.
黄河中游流经黄土高原，带来大量泥沙，使下游成为“地上河”
D.
可以通过在黄河下游开挖新入海河道来治理黄河
【单选题】The year 1400 opened with more peacefulness than usual in England. Only a few months before, Richard II, weak, wicked, and treacherous, had been deposed (废黜), and Henry IV declared king in his stead. ...
A.
His scouts discovered it.
B.
He saw the conspirators coming.
C.
One of the conspirators told him.
D.
He found a copy of the conspirators’ plan.