某公路山岭隧道,长度为2000m;穿越的岩层主要是坚硬岩,岩体较完整,块状或厚层状结构;采用新奥法钻爆施工。两洞口处由于岩层较破碎设有明洞,进口明洞长10m,出口明洞长8m;两洞门采用端墙式洞门。 根据此案例场景,回答下列问题: 该隧道的围岩分级主要是( )。
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Bush fires travel ()
A. in small way
B. in disorder
C. seriously
D. swiftly
"No One’s Gong to Change Our World" was ()
A. a record calling on people to conserve nature
B. a rule worked out by the United Nations
C. an important book published in 1970
D. an idea that nobody would accept
A. aircraft B. calendar C. ticket D. bar E. present F. cinema G. theatre You can drink wine there.