女鞋合格品剥离强度要求≥50N/cm,如外底前端厚度不足()时,剥离强度不应小于40N/cm。
A.1.5mm
B.2mm
C.2.5mm
D.3mm
参考答案:D
After Yangyang came back to China from England, he ______ his friends in England very much.
A.missed
B.proved
C.asked
D.enjoyed
股票的内在价值就是股票未来收益的( )。
A.当前价值
B.期望价值
C.价值总和
D.期望价格