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【单选题】
下列关于无机结合料稳定基层所用生石灰的说法中，错误的是( )。A.
当石灰堆放时间较长时应覆盖封存
B.
生石灰块应在使用前7～10d充分消解
C.
消解后的石灰应保持一定的湿度，不得产生扬尘
D.
消石灰可以不过筛使用
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【单选题】14 Capital punishment was abolished some years ago in some states of the U. S.
A.
created
B.
decorated
C.
improved
D.
eliminated
【单选题】Most cities and/or states in the U. S. collect a sales tax on almost everything you buy. You must ask when you move into a new community how much the local sales tax is, and what items are and are not...
A.
shopping and tipping
B.
sales and shopping
C.
sales taxes and tipping
D.
sales taxes and people
【单选题】[单-急危重症护理学] 某呼吸衰竭患者行呼吸机辅助通气治疗,医嘱脱机练习。护士应密切观察病情,下列表现显示患者出现呼吸窘迫和低血氧情况的是:1不安2躁动3心跳加速4呼吸过慢5氧分压降低6二氧化碳分压降低
A.
①③④⑥
B.
①②③⑤
C.
①②④⑤
D.
①③⑤⑥
E.
①②⑤⑥
【单选题】Most cities and states in the U. S. collect a sales tax on almost everything you buy. You must ask when you move into a new community how the local sales tax is, and what items are and are not taxable...
A.
shopping and tipping
B.
sales and taxes
C.
sales taxes and tipping
D.
sales taxes and people
【单选题】Capital punishment was abolished some years ago in some states of the U.S.
A.
created
B.
decorated
C.
improved
D.
eliminated
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