【单选题】【消耗次数：1】
1936年10月下旬，为实现打通苏联援助道路的目的，红四方面军一部奉中革军委命令，西渡黄河准备执行（）计划。
①
四平保卫战
②
宁夏战役
③
集宁战役
④
辽沈战役
参考答案：
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1
④
1/2
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0.6
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