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【单选题】
That's Jim's bag. Give _____, please. [ ]A.
it him
B.
it to him
C.
them him
D.
him them
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反馈参考答案：
举一反三
【简答题】中枢化学感受器对C02的反应落后于外周化学感受器对C02的反应。这主要是因为延髓中 含量较少。
【单选题】0.10mol/LNa2PO4溶液的PH值为( )( Ka1=7.6x10-3 ,2=6.3x10-8,Ka3=4.4x10-13)
A.
4.66
B.
9.78
C.
6.68
D.
4.10
【单选题】Vitamins are natural substances found in plants and animals and known as ________ nutrients for human beings.
A.
possible
B.
enssential
C.
non-enssential
D.
niacin
【单选题】Natural Nutrients Bakery experienced a market-size variance for December 2x17 of
A.
$7,150 F.
B.
$8,000 F.
C.
$11,440 F.
D.
$11,600 F.
【单选题】The sales-mix variance for December 2x17 for Natural Nutrients Bakery is
A.
$8,600 F.
B.
$8,760 F.
C.
$160 F.
D.
$180 F.
【单选题】10mol/LNa2PO4溶液的PH值为( )( Ka1=7.6x10-3 ,2=6.3x10-8,Ka3=4.4x10-13)
A.
4.66
B.
9.78
C.
6.68
D.
4.1
【单选题】10mol/LNa3PO4溶液的PH值为(Ka1=7.6x10-3,Ka2=6.3x10-8,Ka3=4.4x10-13)( )
A.
12.68
B.
10.68
C.
6.68
D.
11.68
【单选题】10mol/LNa3PO4溶液的pH值为（Ka1＝7.6×10-3，Ka2＝6.3×10-8，Ka3＝4.4×10-13）
A.
12.68
B.
10.68
C.
6.68
D.
11.68
【单选题】The sales-quantity variance for December 2x17 for Natural Nutrients Bakery is
A.
$3,600 F.
B.
$20,200 F.
C.
$20,020 F.
D.
$29,200 F.
相关题目：
【单选题】10mol/LNa2PO4溶液的PH值为( )( Ka1=7.6x10-3 ,2=6.3x10-8,Ka3=4.4x10-13)
A.
4.66
B.
9.78
C.
6.68
D.
4.1
参考解析：
知识点：
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