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【单选题】
It was the man______ on the bed with his eyes open who_____the book open on the desk just now.
A.
lain; lay
B.
lying ;laid
C.
lay; lay
D.
lying ;lied
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【单选题】下列应用化学科学对物质进行研究的基本方法或所得的结论,错误的是 [     ]
A.
氢气和甲烷的密度都比空气的小,所以都可用向下排气法收集
B.
配制溶质质量分数一定的溶液时,所用的烧杯必须是干燥的
C.
蜡烛燃烧后质量变小,说明质量守恒定律不是普遍规律
D.
通过测定两种稀盐酸的pH,可以比较它们的酸性强弱
【多选题】预算定额有以下作用:()
A.
施工图预算的编制依据
B.
施工定额的编制依据
C.
工料机械总消耗量的计算依据
D.
工程价款结算与拨付的依据
E.
选择经济合理的建设方案的依据
【简答题】施工图预算的编制依据包括( )。
【单选题】She was scared the yard because she was scared by the big dog at the gate. [     ]
A.
to go into; to be bitten; lay
B.
of going into; to bite; laying
C.
of going into; to be bitten; lay
D.
to go into; of being bitten; lying:
【单选题】. Seeing the ______ flood, she was _____ to take the boat.
A.
scaring, scaring
B.
scared, scared
C.
scaring, scared
D.
scared, scaring
【简答题】施工图预算的编制依据有( )。
【单选题】She was scared to __________ death when she heard the news.
A.
as much as
B.
as well as
C.
as good as
D.
as many as
【单选题】She was scared _______ when hearing the sound of explosion.
A.
to death
B.
death
C.
of death
D.
with death
【单选题】下列应用化学学科研究物质性质的基本方法或所得结论中,不正确的是   (    )
A.
根据物质的元素组成,将纯净物分为单质和化合物
B.
通过镁、锌、铁分别与稀盐酸反应的实验现象,比较不同金属的活泼性强弱
C.
根据铁制品表面的锈可用稀盐酸溶解除去的事实,说明铁锈主要成分是酸性氧化物
D.
打开盛装浓盐酸的试剂瓶塞,观察现象,了解盐酸的某些物理性质
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