网络贸易就是()通过以()在()之间完成的商品生产改进、定购、销售、分发和支付的贸易方式。
参考答案:经济团体和个人、国际互联网为代表的电信网络、特定和不特定的贸易伙伴
根据《声环境质量标准》,3类声环境功能区执行的环境噪声昼夜标准值分别是()。
A.55dB、45dB
B.65dB、55dB
C.50dB、40dB
D.60dB、50dB
Americans who consider themselves ________ in the traditional sense do not usually hesitate to heap criticism in domestic matters over what they believe is oppressive or wasteful.
A.pedestrian
B.penchant
C.patriarch
D.patriotic