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Directions: Read the following text and choose the most suitable heading from A-AC for each paragraph. There is one extra heading which you do not need. A. Preparations for surfing B. Potential dangers C. Current surfers' attitude towards surfing D. Finding the right wave AB. Where surfers come from AC. The most dangerous sport Surfing is one of the fastest developing sports in the world today. It used to be practiced by the ancient Polynesians, but since the 1960s anyone and everyone can go surfing. 1. Surfing is more of a way of life for some people than simply a sport, and many spend their time travelling around the planet in search of the perfect wave. Typically, the average surfer is a relaxed type of person: they say it's something about the art of catching waves and being out in the elements that makes you feel very relaxed. Surfers greet each other by saying 'Howzit?' (a bit like 'How's it going?') and sometimes call each other 'bru' or 'brah' from the Hawaiian word for brother, 'braddah'. British surfers travel in WV camper vans and look a bit like hippiest. 2. Anywhere that has a coastline with big waves is home to surfers. Half of Australia's coastline is surfable so there are lots of Australian surfers. Hawaii is where the sport was invented and the current champion is Hawaiian Sunny Garcia. A lot of surfers also come from California and New Zealand. There are even surfers in the UK who hang out on the southwest coast where the Atlantic waves hit the shore. 3. Get a board. Most surfers start on short boards. Long boards and guns are only for experienced surfers catching huge waves. You also have to be a very strong swimmer: being able to swim at least 100 meters, and 25 meters underwater is required. 4. Beach breaks are waves which fall onto sand. They can be big, but are best if you are a beginner. Waves vary in size during different seasons and even at different times of the day, so watch out! Surfing can be dangerous and you need advice from someone experienced. More experienced surfers catch waves at point and reef breaks. They are away from the coast, and the swell comes deep from the ocean. Point breaks are waves bent because of the shape of the land beneath the ocean, and reef breaks are shaped by coral and rocks. 5. Surfing is a dangerous sport if you aren't a strong swimmer or if you try to do too much. The main thing most surfers have to worry about is their own board or other surfers' boards. Great white sharks, stingrays and deadly jellyfish are also not friendly to surfers, but actually running into one of these is quite rare.
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举一反三
【多选题】《周易》的“周”字有哪些含义?
A.
周代
B.
周地
C.
周遍
D.
周期
【单选题】消除对妇女一切形式的歧视公约是国际社会()把家庭暴力包括在对妇女的暴力中。
A.
最先
B.
第一次
C.
最新
D.
最后
【单选题】两个电路的等效是指对外部而言,即保证端口的 关系相同。
A.
电压电流
B.
电压
C.
电流
D.
电阻
【多选题】下列关于构造柱说法正确的是( )。
A.
构造柱施工时应先砌墙后浇筑
B.
构造柱施工时,应先放置构造柱钢筋骨架后砌墙
C.
构造柱必须沿墙高每隔80mm设2φ6的拉结钢筋
D.
构造柱拉结钢筋每边深入墙内长度不少于1000毫米
E.
构造柱留设柱洞宜砌成大马牙槎
【多选题】下列关于构造柱构造说法正确的是( )。
A.
构造柱的截面不宜小于 240mm×240mm ,主筋采用 4Φ12 这宜,箍筋间距不大于 250mm
B.
构造柱是从构造角度考虑而设置的,构造柱与墙体内部与水平设置的圈梁连接,形成了具有较大刚度的空间骨架。
C.
在构造柱的上下端箍筋要适当加密。
D.
墙与构造柱之间应沿墙每 500mm 设 2Φ6 拉结钢筋,每边深入墙内长度不小于 500mm
【判断题】两个电阻的等效是指对外部而言,即保证端口的(伏安)关系相同。
A.
正确
B.
错误
【单选题】两个电路的等效是指对外部而言,即保证端口的()关系相同。
A.
电流电阻
B.
电压电阻
C.
电压功率
D.
电流电压
【简答题】以下Visual Basic代码的输出结果是 _________________ Private Sub Form_Click() Dim S(3,3) As Integer For n=1 T0 3 For m=1 T0 3 If n=m Or m+n= 11 Then S(n,m)=n*2+m Else S(n,m) =m*2 -n End If Next m Next n For n=1 T...
【单选题】饭店提供的服务一般都是 服务,这是由饭店自身的企业性质决定的
A.
住宿
B.
餐饮
C.
无常
D.
有偿
【单选题】能表达新建房屋的位置、朝向、标高和绿化的布置、地形、地貌及与原有环境关系的图样是( )。
A.
建筑总平面图
B.
底层建筑平面图
C.
标准层建筑平面图
D.
屋顶平面图
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