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SPSS主界面主要有( )和( )
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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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