建设地点的选择要求不包括( )。A．减少拆迁移民 B．距原料、燃料提供地和产品消费

已知函数f(x)=x³-3x。

（1）求曲线y=f(x)在点x=2处的切线方程；

（2）若过点A（1，m）（m≠-2）可作曲线y=f(x)的三条切线，求实数m的取值范围．

自十一届三中全会召开至今，中国的民营企业从原来不足10万家发展到目前超过1000万家，数量占据了中国企业的绝大多数。中国民营经济总量已占到GDP的50%以上，交纳税费总额已占我国财政收入的近60%，吸纳了75%以上的城镇就业人口。由此可见包括民营经济在内的非公有制经济

①是社会主义市场经济的重要组成部分　②是我国经济社会发展的重要基础　③是我国经济的主体　④获得了公平使用资源、平等参与市场竞争的权利

A．①②

B．①③

C．②④

D．①④

某企业2005年自建办公楼一栋，7月10日建成并办理固定资产入账手续，入账金额 600万元，已知当地政府规定的计算房产余值的扣除比例为20%。该企业2005年度自建的办公楼应缴纳房产税( )元。

A．24000

B．28800

C．33600

D．57600

原发性三叉神经痛的病因被认为可能是（）

A.异位微血管襻的压迫

B.多发性硬化

C.听神经瘤

D.鼻咽癌

E.脑膜瘤

As the pace of life continues to increase, we are fast losing the art of relaxation. (1) you are in the habit of rushing through life, being on the go from morning till night, it is hard to (2) down. But relaxation is (3) for a healthy mind and body.Stress is a (4) part of everyday life and there is no way to (5) it. In fact,it is not the bad thing that it is often supposed to be. A (6) amount of stress is important to provide motivation and give (7) to life. It is only when the stress gets out of control (8) it can lead to poor performance and (9) health.The amount of stress a person can bear(10) very much on the individual. Some people are not afraid of stress, and such (11) are obviously chief material for managerial responsibilities. Others lose heart at first (12) of unusual difficulties. When exposed to stress, in (13) form, we react both chemically and physically. In fact we (14) a choice between escape and fight. But in more ancient days they made the (15) between life and death. The crises (危机)we meet today are (16) to be so extreme,but however little the stress,it requires the same response. It is when such a reaction (17) long，through continued exposure to stress，that health becomes (18) ．Such serious conditions as high blood pressure and heart diseases have (19) links with stress． (20) we canno! remove stress from our lives we need to find ways to deal with it．It would be unwise to do so even it we could．So what do you think of stressWhat is your way to deal with it.

第（16）空应选择（）

A．unlikely

B．likely

C．necessary

D．probable