下图是美国本土人口迁移情况,图中箭头的含义分别是:①亚洲人口迁往美国,②美国人口迁往亚洲,③国内人口由东北部迁往南部“阳光地带”,④国内人口由其他地区迁往东北部。读图完成下列各题。以谋求就业和提高经济收入为主要目的的人口迁移是
若图中反映的人口迁移现象造成美国人口机械增长率呈正增长态势,则以下数量关系式表达正确的是
﹣It's my birthday tomorrow. We'll have a party, would you like to come?
﹣ ! I have to take an exam. Thank you all the same.( )
Well done
What a pity
Good luck
﹣ Sorry, sir.I made a mistake again.
﹣ . Do more practice and you will succeed.( )
Certainly not
Not at all
Never mind
Tom's family is a big one. And the family together to have a big meal on Christmas Eve every year.( )
get
gets
got
﹣Would you like another glass of water?
﹣No, thanks.I leave now. Tony is waiting for me.( )
can
may
must
You should think before taking the job, and don't do it just for fun.( )
quickly
seriously
proudly