Products which do not meet local content requirements will be imposed tariffs within a economic bloc.
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A worker from a custom union has the right to work in other member countries.
A. 对
B. 错
Following the creation of an economic bloc, the importance of national boundaries will still remain.
A. 对
B. 错
下列除哪项外，是异位妊娠手术治疗的适应症
A. 生命体征不稳定或有腹腔内出血征象者
B. 诊断不明确者
C. 异位妊娠有进展者
D. 随诊可靠者
E. 期待疗法或药物治疗有禁忌证者
下列除哪项外，是异位妊娠化学药物治疗的适应症
A. 无药物治疗的禁忌证
B. 输卵管妊娠未发生破裂或流产，无明显内出血
C. 输卵管妊娠包块直径≤3cm
D. 血β-HCG>2000U/L
E. 血β-HCG<2000U/L
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