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阅读理解。 Many people have heard stories of the California gold rush during the 19th century, when lots of people went there in search for gold . Panning (淘洗) for gold has a rich and interesting history. Nowadays some people continue to pan for gold in California. Although it cannot be regarded as a method for earning income, taking on gold-panning as a hobby can give you a feeling of being in the old west and get you out into nature. The only tool that is required to pan for gold is a gold pan. You can use a regular old flat pan, but 'officially' gold pans are quite cheap so you may as well buy one that is made for the task. Most sold pans come in either plastic or medal. Once you have your pan you will want to start practicing your gold panning technique. Panning for gold works because gold is much heavier than most rocks. To pan for gold you add rock and dirt form the bottom of a stream to your pan and then gently let water flow through the pan. The lighter-weight rocks are slowly swept away while any gold will be left behind in the pan. To start panning for gold, first you will need to find a good location. Try checking maps of your area and old history books to find location where there were gold mines in the past. Even though most of the gold have already been removed, there are likely to be small leftovers that you can find. Once you have found an area thatlooks promising, look for any small stream or river where you can try out panning for gold. Panning for gold requires patience and it may be a long time before you hit anything of value. However, it is an enjoyable hobby and provides a great opportunity to get outdoors, so don't give up too quickly. 1. What is Paragraph 3 mainly about? A. Where to pan for gold. B. How gold-panning works. C. What tools are needed. D. A promising area for panning. 2. What is the author's attitude toward modern gold-planning? A. Opposed. B. Indifferent . C. Positive. D. Neutral . 3. In which part of a newspaper would you probably find this article? A. Lifestyle. B. Health. C. Travel. D. Sports.
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【单选题】设集合A={a,b,c,d,e},B A,已知 a ∈B,且B中含有3个元素,则集合B有
A.
A 个
B.
C 个
C.
A 个
D.
C 个
【简答题】读“世界局部地区某气候类型分布示意图”,回答1~3题 1、该气候区代表性农作物具有的特点是 [     ] A、喜高温多雨 B、喜阴冷潮湿 C、耐高温干旱 D、耐低温干旱 2、与甲地区相比,造成乙地区该种气候类型分布较狭窄的最主要因素是 [     ] A、纬度位置 B、洋流 C、海陆轮廓 D、地形 3、该气候类型在乙地分布区域南端的纬度较丙地高,最主要影响因素是 [     ] A、海陆分布 B...
【多选题】俱乐部建设应该对哪两方面考虑?
A.
成本
B.
利益
C.
试驾车
D.
服务车
【单选题】海南地区代表性的湿地类型是( )。
A.
珊瑚礁湿地
B.
岩石性海岸湿地
C.
盐藻湿地
D.
红树林湿地
【多选题】关于定位误差的来源以下说法是:
A.
包括基准不重合误差和基准位移误差。
B.
基准位移误差是由定位副的制造误差造成的。
C.
基准位移误差指由于工件的工序基准与定位基准不重合而造成的加工误差。
D.
定位误差只产生在按调整法加工一批工件的情况下,用试切法加工时,不存在定位误差。
E.
定位误差由基准不重合误差△B与基准位移误差△Y组合而成。若基准位移和基准不重合引起的加工尺寸变化方向相同时,取“+”号;反之,取“-”号。
【单选题】下列有关法理知识的阐述错误的是:
A.
司法的基本要求是正确、合法、及时
B.
法律监督的主体包括国家机关和公民两类
C.
法的确立阶段大致包括四个程序:一是法律、法规案的提出;:二是法律、法规案的审议:三是法律、法规案的通过;四是法律、法规的公布
D.
法的继承是不同历史类型的法律制度之间的延续和继受
【单选题】在途中导游服务当中,下列( )属于地方导游员的主要服务内容之一。
A.
协助办理入住手续
B.
介绍饭店内的设施
C.
本地概况介绍
D.
宣布次日的行程
【单选题】设集合A {a, b},则满足A∪B {a, b, c, d}的集合B的子集最多个数是(  )
A.
4
B.
8
C.
16
D.
32
【简答题】读下面甲、乙、丙三个图,完成下列问题: 小题1:澳大利亚畜牧业发达,早在19世纪中叶就被誉为“骑在羊背上的国家”。根据甲、乙两幅图分析,澳大利亚牧牛带和牧羊带的气候类型主要是 A.热带雨林气候 B.热带草原气候 C.亚热带湿润气候 D.地中海气候 小题2:丙图中,既位于西半球,又位于南半球的是: A.① B.② C.③ D.④ 小题3:据丙图判断,澳大利亚的城市主要分布在 A.西北沿海地区 B.西...
【单选题】这些要求中,1正确、2合法、3合情合理、4及时,属于司法的基本要求的是( )
A.
①②③④
B.
①②
C.
①②④
D.
②③
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