以下哪一项是虚拟专用网络( VPN)的安全功能?
C
暂无解析
下列关于可转让信用证的表述正确的为()
Thatradiocompanyissobigthatithasalotof____inforeigncountries.
Thisisthemilitary____.Nobodyisallowedtogetinwithoutpermission.
.IfyouhavereallybeenstudyingEnglishforsolong,it’sabouttimeyou_____abletowritelettersinEnglish.
Wecan____thetwoislandswithabridge.
John'sscoreonthetestisthehighestintheclass;()helastnight.
AlthoughSPanish,heattendedthecourse.
衡量胎先露下降程度的重要指标是:
Whattheyare____aboutiswhichcomesfirst:thechickenortheegg?
Milk,butter,andcheeseare____herefromthefarms.
Shewasonceayoungcountrywifewithchickensinthebackyardandaviewof_______mountainsbehindtheappleorchard.