身份认证的主要目标包括：确保交易者是交易者本人.避免与超过权限的交易者进行交易和()。
A、可信性B
暂无解析
I______thatIwereabird.
Thethreementriedmanytimestosneakacrosstheborderintotheneighboringcountry_____bythepoliceeachtime.
Physicsisthepresentdayequivalentof____usedtobecallednaturalphilosophy,from____mostofpresentdaysciencearose.
____isnoreasonfordischargingher.
I’dratheryou____bytrainbecausetheweatherforecastsaidtherewouldbeheavysnowtomorrow.
