读三角形坐标图,若X、Y、Z分别表示某国0~14岁、15~64岁、65岁及以上三个年龄段人数所占总人口的比重,为实现经济的可持续发展,该国应采取的相应措施是
A.计划生育 | B.鼓励生育 |
C.采取移民政策 | D.鼓励人员出国 |
Because of the financial crisis,I have no ready____ on me. Can I pay you tomorrow?
A.deposit | B.cheque | C.coin | D.cash |
She packed______ her job, and went off to Qingdao for the Navy celebration.
A.away | B.off | C.up | D.out |
You waste much time______pig flu.on the internet..
A.to know | B.knowing | C.know | D.to be known |
---- Is there a vaccine _____ pig influenza?, I’m anxious to know.
----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
A.for; available | B.against ; use | C.to; access | D.against; available |
Has she had a cold like pig flu. _____? for she is absent.
A.if anything | B.or anything | C.for anything | D.anything but |