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【简答题】
已知77℃时的饱和蒸气压为48.891kPa。101.325kPa下的正常沸点为100℃。求在多大压力下水的沸点为105℃。
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反馈参考答案：
举一反三
【单选题】在配制蓄电池的电解液时,必须将( )。
A.
工业硫酸徐徐倒入蒸馏水中
B.
纯净的化学硫酸徐徐倒入自来水中
C.
蒸馏水徐徐倒入纯净的化学硫酸中
D.
纯净的化学硫酸徐徐倒入蒸馏水中
【单选题】At the news of the earthquake, the soldiers did what they could the victims.
A.
help
B.
to help
C.
to helping
D.
helping
【简答题】宇宙生成论也叫
【简答题】What could he do to help support the field marketing representatives? By designing and maintaining__________________________
【单选题】She did _____ she could _____ him. [ ]
A.
all what, help
B.
all, to help
C.
all which, to help
D.
all that, help
【单选题】— I have ______ in learning chemistry. Could you help me with it? — Sure, I’d love to.
A.
success
B.
interest
C.
trouble
D.
fun
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