皮皮学，免费搜题
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【多选题】
国际贸易惯例的作用包括A.
简化交易手续
B.
加速成交过程
C.
提高履约率
D.
便于处理合同争议
E.
促进国际贸易的发展
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】请写出CM云码口诀的第1句(只写7个字,不能出现其他符号)
【单选题】When I was fumbling in the old newspaper, I ______ a photo of a well-known German scientist.
A.
got across
B.
came across
C.
cut across
D.
went across
【单选题】颗粒在层流区进行重力沉降,当其直径为0.2mm时,沉降速度0.004 m/s,在相同条件下,直径为0.1mm的颗粒的沉降速度为( )
A.
0.004 m/s
B.
0.002 m/s
C.
0.008 m/s
D.
0.001 m/s
【单选题】When I was fumbling in the old newspapers, I a photo of a well-known German scientist whose name was just on the tip of the tongue.
A.
got across
B.
came across
C.
cut across
D.
went across
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