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【多选题】
下列哪些适合平硐开拓评价及适用条件?()A.
最简单的开拓方式，技术经济最有利
B.
山岭、丘陵沟谷地区，煤层埋藏地下，在山麓开平硐开拓
C.
地质构造简单，井田走向长度较短
D.
平硐布置方式受地形、工程地质条件限制，应综合考虑
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反馈参考答案：
举一反三
【单选题】—What time do you go to school? —I go to school at _____. [ ]
A.
half past seven
B.
half to seven
C.
seven past half
D.
forty-five past seven
【简答题】根据句意及首字母或汉语提示完成单词。 1. Not everyone has a c______ to go to college in the past. 2. There are 35 votes (选票) for him and 10 a______ him. 3. The rich man often gives his money to c______ . How kind he is!...
【简答题】go past no mistake past
【简答题】钟形分布、 分布和 分布是次数分布的三种主要类型。
【单选题】—Look! There _______. —Oh, yes, there _______. [ ]
A.
go the fishermen; go they
B.
go the fishermen; they go
C.
are the fishermen going; are going
D.
went the fishermen; they went
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