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【单选题】
土石坝坝顶常设混凝土或浆砌石修建的不透水的防浪墙,其高度一般为()。
A.
0.5~1.0m
B.
1.0~1.2m
C.
1.5~2.0m
D.
2.0~2.5m
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B.
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B.
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C.
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A.
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A.
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A.
ein früher christlicher Missionar
B.
ein Mitarbeiter in einer Apotheke
C.
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D.
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