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【单选题】
(Unit1) Which of the following is not likely to describe the Gen Z-ers?A.
They observe the world through their smartphones.
B.
They are attuned to the nuances of identity at an early age.
C.
They are accustomed to flitting between apps.
D.
Most of them are expecting traditional 9-5 work.
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举一反三
【单选题】石拱桥砌体材料施工要求中，下列对石料描述不正确的是（）
A.
片石：一般指用爆破或楔劈法开采的石块，厚度不应小于100mm
B.
块石：形状应大致方正，上下面大致平整，厚度200~300mm
C.
粗料石：是由岩层或大块石料开劈并经粗略修凿而成，外形应方正、成六面体，厚度200~300mm
D.
拱石：应立面、纹破料，岩层面应与拱轴垂直，各排拱石沿拱圈内弧的厚度应一致