问题
单项选择题
喷射混凝土与围岩黏结力要求Ⅲ类及以下围岩不低于( )MPa。
A.0.5
B.0.8
C.1.0
D.5
答案
参考答案:A
喷射混凝土与围岩黏结力要求Ⅲ类及以下围岩不低于( )MPa。
A.0.5
B.0.8
C.1.0
D.5
参考答案:A
根据对话情景和内容,从对话后所给的选项中选出能填入每一空白处的最佳选项。选项有两个为多余选项。(此题请答在答题纸上) —He is very good, isn’t he? — 6 —I said the singer was great. — 7 —Have you seen him here before? — 8 I think he probably writes the music and words because I’ve never heard any of the songs before. —It’s not fair. — 9 —People with musical ability like that having to stand here to make a living. — 10
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