下列中国古人的行为或主张蕴含了可持续发展思想的是( )
| A．以人为本，人定胜天 |
| B．竭泽而渔，焚薮而田 |
| C．盛世滋丁，永不加赋 |
| D．斩伐养长，不失其时 |
The dead rate is _____ pigs and recovery usually ______ within 7-10 days.
A low in; occursB.rich in;happens
C.high in; came aboutD.poor in;took place
_____ three influenza type A virus subtypes(子类型) have been found in pigs.
| A．By far | B．As far as | C．So far | D．Till far |
_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
| A．But | B．However | C．while | D．though |
It has always been the _____ of our goverment to encourage graduates to start their business.
| A．plan | B．campaign | C．procedure | D．policy |
The most important _____ of his speech at the G20 summit was that we should all unite to fight against the finanical.
| A．element | B．spot | C．view | D．point |