1.йͶʹ?fn)?
A.ҺI(y)ܲ
B.I(y)ܲ
C.I(y)I(y)λ
D.I(y)
2.鏊(qing)ĿͶ(sh)Cڣ(yng)c
A.
B.ּ
C.ĿǼ
D.ط
3.ĿҪĿr(sh)Ŀr(sh)ijQ?
A.йƱ
B.ȯ
C.
D.
4.Ŀʾ߷FҪĿģ
A.ʽ?
B.ʷ
C.Ͷʽ?
D.ʷʽ
5.ij˾ȹƱƱ[r(ji)?00Ԫʷd5%Ϣ14%ʽ
A.14.74%
B.13.33%
C.19.26%
D.21.27%
6.(sh)ĿlĽĿĿ(yng)ڣʽ
A.TĿ?
B.TĿо?
C.Ŀ鱻?
D.Ŀо汻H?
7.DУֵָض̔ͬr(sh)ϵģ
A.ֵ
B.ֵ
C.ʾ
D.۸
8.Ŀ۵ļָ?
A.ԁͶҪ̶ʲֹr(sh)
B.ӿʼʩͶr(sh)
C.ӿʼʩͶֱҪ̶ʲֹr(sh)
D.ӿʼʩͶֱȫ̶ʲֹr(sh)
9.i1=2i2n1=n2/2Pͬr(sh)
A.F/Pi1n1
C.F/Pi1n1>F/Pi2n2
D._F/Pi1n1루F/Pi2n2ĴС
10.aCͶE(sh)ľ_ƽֵ֮Ĺϵ
A.ƽСa_
B.ƽa_
C.ƽa_
D.](mi)й