牌号带E的钢筋应检测其( ):
A. 屈服强度
B. 抗拉强度
C. 伸长率
D. 反向弯曲性能
Isuspectnoteveryonewholovesthecountrywouldbehappylivingthewaywedo.Ittakesacoupleof(1)Oneisatoleranceforsolitude.Becauseweareso busyandonsuch(2) ,wedon't(3)much.During thegrowingseasonthereisnotimeforsocializing (4).Jim andEmilyare (5)inschoolactivities,buttheytoospend mostoftheirtimeathome.Theother (6) isenergy ----alotofit.Thewaytomakeself-sufficiencywork (7) istoresistthe (8) tobuyatractorandotherexpensivelaborsavingdevices.(9) ,youdotheworkyourself.Theonly (10)weown(notcountingthelawnmower)isa littlethree-horsepowerrotarycultivatoranda16-inchchainsaw.
树的存储结构的方式有以下哪几种?()
A. 双亲表示法
B. 孩子链表表示法
C. 双亲孩子表示法
D. 孩子兄弟表示法
当事人以动产进行抵押,抵押合同自( )之日起生效。
A. 签字盖章
B. 抵押登记
C. 债务人不履行债务
D. 主合同生效