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For transport of hazardous materials, truckers need a licence, which usually requires them to pass an exam.
答案:
正確
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Since the freight payments are taken care of by the freight forwarder, the carrier doesn′t have to take any ().
A.benefit
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Currently, different types of multimodal transport operations involving different combinations are taking place.()transport does not refer to multimodal transport.
A.Sea/air
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D.Sea/sea
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