1.йͶʹǣ
A.Һҵܲ
B.ҵܲ
C.ҵҵλ
D.ҵ
2.ΪǿĿͶʵгڣӦ
A.
B.ּ
C.ĿǼDZ
D.ط
3.ĿҪĿʱĿʱijO
A.йƱ
B.ծȯ
C.д
D.
4.Ŀʾ߷ҪĿģ
A.ʽṹ
B.ʷ
C.Ͷʽṹ
D.ʷʽ
5.ij˾ȹɹƱƱмۼΪ300ԪʷѷΪ5%ϢΪ14%ʽɱΪ
A.14.74%
B.13.33%
C.19.26%
D.21.27%
6.ʵĿƵĽĿĿӦڣʽ
A.걨Ŀʱ
B.걨Ŀоʱ
C.Ŀ鱻
D.Ŀо汻ʱ
7.ֽͼУֵָֽض²ͬʱϵģ
A.ֵֽ
B.ֵֽ
C.ʾֽ
D.ֽ۸
8.Ŀ۵ļָ?
A.ӽͶҪ̶ʲΪֹʱ
B.ӿʼʩͶʱ
C.ӿʼʩͶֱҪ̶ʲΪֹʱ
D.ӿʼʩͶֱȫ̶ʲΪֹʱ
9.i1=2i2n1=n2/2Pͬʱ
A.F/Pi1n1
C.F/Pi1n1>F/Pi2n2
D.ȷF/Pi1n1루F/Pi2n2ĴС
10.ھгֽͶڲʵľȷƽֵ֮Ĺϵǣ
A.ƽСھȷ
B.ƽھȷ
C.ƽھȷ
D.ûй