著名学者帮奇为揭示世界人口分布问题，在地图上取消陆地和海洋，仅画出人类密集的地区，人类密集区称为人类大陆。读人类大陆图回答下题。
在人类大陆图上，世界人口密集区
| A．高纬度比低纬度多 | B．南半球比北半球多 |
| C．低纬高原比平原多 | D．西半球比东半球多 |
关于图中①～④人口密集区的叙述为
| A．①城市化水平高 | B．②农业历史悠久 |
| C．③人口增长率高 | D．④世界工业化最早地区 |
_____, 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 |
He directed exposure to pigs,otherwise he_______pig flu.
| A．couldn’t get | B．wouldn’t have gotten | C．couldn’t have got | D．woud get |
In no time _______ me if he had any further information for pig flu..
| A．will he declare | B．he would notice | C．would he notify | D．he will note |