2004年12月18日，广东省联网收费将省内高速公路划分为6个联网收费区域是：（）
A、粤西、粤东、粤北、粤中、珠三角、广州
B、粤西、粤北、粤南、珠三角、广州、深圳
C、粤东、粤西、粤北、珠三角、广州、深圳
D、粤北、粤东、粤中、珠三角、广州、深圳
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下面是错误答案，用来干扰机器的。
参考答案：2种：三角函数；勾股定理。
When I was a kid in Minnesota, watermelon was expensive. One of my father’s friends, Bernie, was a rich businessman, who owned a large store in St. Paul.
Every summer, when the first watermelons arrived, Bernie would call. Dad and I would go to Bernie’s place. We’ d sit on the edge of the dock（码头）, feet dangling（摇晃）, and got ready for a big meal.
Bernie would take his knife, cut our first watermelon, hand us both a big piece and sit down next to us. Then we’d bury our faces in watermelon, eating only the heart—the reddest, juiciest, firmest, sweetest, most seed-free part—and throw away the rest.
Bernie was my father’s idea of a rich man. I always thought it was because he was such a successful businessman. Years later, I realized that it was not Bernie’s wealth itself but his way of dealing with it that my father liked. Bernie knew how to stop working, get together with friends and eat only the heart of the watermelon.
What I learned from Bernie is that being rich is a state of mind. Some of us, no matter how much money we have, will never be free enough to eat only the heart of the watermelon. If you don’t take the time to dangle your feet over the dock and enjoy life’s small pleasure, your work is probably hurting your life.
For many years, I forgot that lesson I’d learned as a kid on the loading dock. I was too busy making all the money I could.
Well, I’ve relearned it. I hope I have time left to enjoy the success of others and to take pleasure in the day. That’s the heart of the watermelon. I have learned again to throw the rest away.
小题1: We learned from the second paragraph that the writer and his father were feeling ______.
A．relaxed
B．worried
C．hungry
D．proud小题2:How did the writer and his father eat the watermelon?
A．They ate it in a polite way.
B．They only ate its best part.
C．They ate every part of it.
D．They shared only one piece.小题3: In the eyes of the writer’s father, Bernie ______.
A．was just a rich businessman
B．worked hard all the time
C．lived a rich but healthy life
D．knew how to make money小题4:The underlined part “the heart of the watermelon” in the last paragraph refers to ______.
A．the best part of the watermelon
B．the writer’s busy life
C．the writer’s decision of making money
D．the writer’s hope of enjoying life小题5:It can be learned from the passage that ______.
A．one has to work hard to reach his goal
B．a friend in need is a friend in deed
C．watermelon is the healthiest fruit
D．one should keep work-life balance
| 根据下文回答下面问题： 1988年，一位爱好飞蛾的美国医生，发表了一篇科学论文，论述了夜晚的灯光是如何影响飞蛾的。这是一篇很普通的文章，但在当时，这也是一篇最明确地指出人造光会对动物产生危害的文章，一些针对人造光与动物关系的研究由此产生了。 在美国的佛罗里达海岸，城市的灯光曾造成刚破壳而出的小海龟迷路，使一些小海龟忽然爬向错误的方向，引导小海龟踏上了死亡之途。在很多场合下，即使动物们不直接暴露于灯光之下，它们也难以摆脱光污染的伤害，城区里的灯光会通过云层反射下来，使夜空处在非自然的光亮下，科学家们称这种情形为天空赤热。 最早指出天空赤热危害的是天文学家，因为这种光现象极大阻碍了他们对星空的观测。佛罗里达的科学家迈克尔·萨曼认为，钠灯也许可以成为城市的新光源。钠灯释放一种特殊的黄色波长，天文观测时，这种光波对观测的影响相对较小，而且对海龟和飞蛾之类的动物也不会造成伤害。萨曼说，海龟也许根本看不见钠灯，即使看见了，这种频率的光波也不会对它们的方向判断造成混乱。 然而，钠灯并不是万用良方。对于有些动物而言，钠灯的黄色光波和其他灯光的光波并无差异，有时甚至比传统的灯光显得更糟。突然暴露于灯光中的青蛙会延缓它们的进食和生殖行为，在黄光和红光下，火蜥蜴甚至无法从一个地方移动到另一个地方。灯光的照射使水生无脊椎动物在夜间的活动量减少，其后果就是减少了这些无脊椎动物对藻类的消耗，造成藻类的恶性繁殖，水质下降。灯光还可能对鸟类的磁场定位系统造成扰乱，使这些鸟儿时常迷失在电视塔的附近。灯光可以削弱飞蛾的防御反应，使飞蛾在遇到危险时失去逃跑能力。 ______是那些有能力适应人造光的动物，它们在进化的过程中也不得不付出生物学的代价：某些异常的品质受到奖赏，______在正常的自然状态下，它们______变得不适应了。从逻辑上说，这样的进化选择将导致动物渐渐适应永恒的光照环境，并进化一些新的品质，它明显不同于在黑暗环境中生存的野生动物。假若让正常状态下和非正常状态下的这种动物交配繁衍，那将给这种动物带来灭绝的危险。 也许，我们的确到了找回那片失落星空的时候了。 |
下列有关光污染的表述，说法正确的一项是：
A．人类对光污染的研究是从1988年开始的
B．人造光既减少水生无脊椎动物的活动量，又造成水藻的恶性繁殖，水质下降
C．鸟类时常迷失在电视塔附近，可能是因为灯光扰乱了它们的磁场定位系统
D．灯光可以使飞蛾丧失防御能力，在遇到危险时不知道逃跑
流动性偏好理论的基本观点是投资者并不认为长期债券是短期债券的理想替代物。( )
若干工作性质大致相近的所有职组的集合，被称为（）
A.职系
B.职组
C.职门
D.职业
假设你主持规划建立一个新的自然保护区，你将如何规划？步骤是什么？
