單項(xiàng)選擇題
A.25'.2 B.29'.2 C.21'.2 D.30'.8
A.30'.0 B.30'.8 C.31'.2 D.35'.2
A.33'.6 B.36'.0 C.37'.6 D.37'.8
A.110'.0 B.110'.9 C.111'.8 D.112'.7
A.121'.1 B.122'.2 C.123'.3 D.124'.4
A.128'.7 B.129'.7 C.130'.7 D.131'.7
A.129'.5 B.131'.6 C.133'.7 D.135'.8
A.145'.5 B.151'.5 C.148'.5 D.142'.5
A.SL>SG B.SL=SG C.SL<SG D.視風(fēng)的順逆而定
A.40',48' B.36',48' C.48',40' D.40',40'
A.23' B.25' C.27' D.30'