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【单选题】
已知空气的单位体积质量为0.00124 克/厘米 3 ，0.00124用科学记数法表示为 [ ]A.
1.24×10 2
B.
1.24×10 3
C.
1.24×10 -2
D.
1.24×10 -3
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【简答题】溶液的酸度越大，Y4-的分布系数越小，EDTA的配位能力越____。
【简答题】建筑产品的特点
【简答题】______ such articles as window glass, porcelain and other breakable things of this nature, the insurance company insures this risk ______ 5% franchise.
【单选题】President Obama is letting Congress write the details of his plan for ________ he calls health insurance reform.
A.
as
B.
what
C.
that
D.
all what
【简答题】溶液的酸度越大，Y 4- 的分布分数越______，EDTA的配位能力越______。
【简答题】建筑产品的特点
【单选题】听力原文：After the building was damaged by a fire,' the inhabitants were paid by the insurance company. What did the insurance company do after the fire?
A.
The insurance company came out to inspect the damage.
B.
The insurance company insisted that the building be repaired.
C.
The insurance company paid for the fire damage.
【单选题】The law (I am referring to) requires that everyone (who) (owns) a car (has) accident insurance.
A.
I am referring to
B.
who
C.
owns
D.
has
【简答题】溶液的酸度越大，Y4-的分布系数越小，EDTA的配位能力越____。
【简答题】建筑产品的特点
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