Why is CMA favoured to salt? Because _______.
A.it is less expensive
B.it has minimal adverse effect
C.people like it better than salt
D.highway departments want to have a change
第8题
我国贸易顺差的主要来源地为()
A.香港地区、美国、欧盟
B.香港地区、日本
C.美国、欧盟、韩国
D.亚非拉国家
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