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【写出以下商品的8位编码】粗甘油,已干燥产品的重量计,粗甘油的纯度为85%,含有甘油85%、杂质2%( );甘油(丙三醇),丙三醇96%、水3.5%、 脂肪酸0.5%,工业生产用( );百雀羚甘油,护肤润肤、防冻防裂,170g/瓶( );含甘油的透明香皂,洁肤用( )。
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举一反三
【单选题】变压器的初、次级电动势E1、E2和初、次级线圈匝数N1、N2之间的关系为()。
A.
E 1 /E 2 =N 1 /N 2
B.
E 1 /E 2 =N 2 /N 1
C.
E 1 /E 2 =N 1 2 /N
D.
无明显规律
【单选题】We give dogs time, space and love we can spare, and ____________, dogs give us their all.
A.
in charge
B.
in fact
C.
in case
D.
in return
【单选题】The cost of living for ___ residents is much higher than that for those in rural areas.
A.
vital
B.
urban
C.
crucial
D.
thorough
【单选题】We give enough time, space and love we can spare, and _____,dogs give us their all. [ ]
A.
in all
B.
in fact
C.
in short
D.
in return
【单选题】We give dogs time，space and love we can spare，and ________ dogs give us their all.
A.
in all
B.
in fact
C.
in short
D.
in return
【单选题】We give dogs time, space and love we can spare, and ________， dogs give us their all.(2010·江西)
A.
in all
B.
in fact
C.
in short
D.
in return
【简答题】My shoes were really __________ - they only cost $15.
【单选题】We give dogs time, space and love we can spare, and _______, dogs give us their all.
A.
in return
B.
in all
C.
in fact
D.
in short
【单选题】变压器的初、次级电动势E1、E2和初、次级线圈匝数N1、N2之间的关系为( )。
A.
E1/E2＝N1/N2
B.
E1/E2＝N2/N1
C.
E1/E2＝N2/N1
D.
无明显规律
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