对跨国公司的理解正确的是①是在其他国家和地区拥有主导地位的企业 ②是不同国家和地区合作经营的大企业③是在本国拥有一个总部,并在其他国家或地区拥有子公司的国际性企业④经济全球化是通过跨国公司实现的
Taiyuan,a city in North China,was struck by a heavy snowfall last week,________serious traffic problems.
It was not until the beginning of the twentieth century________to explore space.
A notice was________in order to remind the students of the changed lecture time.
It took________supplies to construct these energysaving houses. It took brain too.
Since you weren’t at the meeting, we the decision without you.