单价与支付方式
30%T/T in advance, balance by Original B/L
参考答案：30%前T/T ，余款凭正本提单支付
Never ______ such a good boss before I came to this company.
A．do I meet
B．I met
C．had I met
D．I had met
炒菜时，碘盐不宜同时加热，这是因为碘在高温下很容易______；很远就闻到菜香是因为______．
