耕地是人类社会赖以生存和发展的物质基础。左图示意l985～2010年福建省耕地重心移动轨迹，右图示意l985——2010年福建省人口重心移动轨迹，福建省几何中心地理坐标为26。N，118。E。据此完成下列小题。
关于福建省耕地和人口的叙述，正确的是
| A．人口自然增长决定人口重心移动方向 | B．耕地重心和人口重心移动方向相同 |
| C．西北部地区可开垦耕地面积大 | D．耕地相对集中分布于东南部地区 |
近年来福建省耕地、人口重心变化的原因是
| A．耕地、人口匹配失衡 | B．耕地后备资源分布不均 |
| C．城镇化和工业化的发展 | D．国家改革开放政策的推动 |
Qingdao is _______ most beautiful coastal city and I think I’ll go there for _______ second time.
| A．a;a | B．the; a | C．the; the | D．the; a |
A beach house caught fire last night, ______seven students living in it.
| A．to kill | B．killing | C．having killed | D．killed |
____the sketch of Xiao Shenyang made a _____has been known to us all.
| A．That; hit | B．What; strike | C．Why; beat | D．which; knock |
That Xiao Shenyang was elected_____model worker of May Day caused ____enthusiastic discussion in China.
| A．the; the | B．a; an | C．the; a | D．a; the |
----What do you know the _____ of are the pig influenza in humans?
---- usually similar to regular human seasonal influenza .
| A．symptoms | B．sympathy | C．symbol | D．symptom |