Shark Attack!小心鲨鱼！
Craig Rogers was sitting on his surfboard, 克雷格?罗杰斯正坐在他的冲浪板上,scanning the distance for his next wave，估算着下一波浪离他还有多远，when his board suddenly stopped moving. 就在这时冲浪板不动了。He looked down and was terrified to see a great white shark biting the front of his board. 他低头向水下看，惊悚的一幕出现了： 一条大白鲨正在撕咬冲浪板的前端。“I could have touched its eye with my elbow,” says Craig.“我的肘部可能都已经碰到了它的眼睛”，克雷格谈道。 The shark had surfaced so quietly that he hadn't heard a thing.原来，这条鲨鱼悄悄地浮上了水面，完全没让克雷格听到。
In his horror and confusion，he waved his arms and accidentally cut two of his fingers on the shark's teeth. 克雷格惊慌害怕，手足无措，但是偶然之间他被鲨鱼咬掉了两支手指，He then slid off the opposite side of his surfboard into the water.然后随着滑板翻了个个儿，他也掉进水里。 Then, with Craig in the water and blood flowing from his fingers，the five-meter-long shark simply swam away, disappearing into the water below.就在那时，处于水中的克雷格两支手指鲜血直流，但这条五米长 的鲨鱼却径直游开，消失在深海之中。
Although sharks are often categorized as killers that hunt and eat as many humans as they can, this is factually inaccurate. 虽然鲨鱼常被认为是疯狂杀人的猎手，但事实上这是不准确的。Sharks very rarely kill humans. 鲨鱼很少猎杀人类。A person has a greater chance of being struck by lightning or drowning in a bath than of being killed by a shark.比起被鲨鱼杀死，人类更有可能被闪电击中或是淹死在浴缸中。 Only 74 people have been reported killed by great whites in the last century. 在上个世纪，有报道的只有74人命丧鲨鱼之口。But great white sharks can reach six meters in length and weigh 2,200 kilograms or more. 然而大白鲨可以长到6米长、2200公斤重或是更重。With frightening jaws that can hold up to 3,000 teeth arranged in several rows，they could very easily kill and eat a helpless human in the water.3000颗牙齿排成数排长在鲨鱼那可怕的血盆大口中，它们可以轻易杀死并吃掉无助的落水者。 Why is it, then, that most people survive attacks by great whites?但为什么大多数人受到大白鲨攻击之后都能鲨口逃生呢？ Shark researchers are trying to comprehend the reasons that allow people to escape without being eaten.鲨鱼研究者们正在努力寻使得人类鲨口脱险的原因。
The most common explanation is that great whites don't see well.最常用的解释是说大白
鲨的视力不好。 It has been thought that they mistake people for the seals or sea lions which make up a large part of their diet.人们认为大白鲨会把人类错当成是海豹或是海狮，后两者是鲨鱼的主要食物来源。 There is reason to doubt this，however.但是人类又到了理由来质疑这一论断。 Recent information shows that great whites can actually see very well.最近的研究信息表明大白鲨视力不错。 Also， when attacking seals, great whites shoot up to the surface and bite with great force. 并且当大白鲨在攻击海豹时，它们会迅速窜上海面，用力撕咬。When approaching humans, however, they most often move in slowly and bite less hard.但当大白鲨在攻击人类时，它们在大多数情况下会慢慢浮上海面，撕咬的力度也轻得多。 They soon discover that humans are not a high — fat meal. 它们很快就会发现人类的肉不够肥。“They spit us out because we're too bony,” says Aidan Martin，director of Reef Quest Center for Shark Research.“它们把我们吐出来是因为我们太瘦了”，艾丹?马丁说道，他是鲨鱼研究暗礁搜索中心的领头人。
Shark researchers like Martin hypothesize that great whites are actually curious animals that like to investigate things. 诸如马丁这样的鲨鱼研究者们提出了这样一种假设：大白鲨实际上是一种好奇心很重的动物，它们喜欢探索新鲜事物。It's possible that they use their
bite not only to kill and eat, but also to gather information.有可能它们撕咬物体不仅仅是为了猎杀和吃掉，也是为了搜集信息。 Although such an experience is unlucky for people like Craig Rogers, when sharks bite surfboards or other objects or people，they are likely just trying to learn what they are.虽然这种经历对于像克雷格·罗杰斯这些人来说很不幸，但是当鲨鱼在撕咬冲浪板， 或是别的物体，甚至是人类时，很可能它们只是在尽量了解那到底是个什么东西。
词汇：
scan vt审视，细看,浏览
elbow n.肘，肘部
surface n, 表面，外表；vi.浮出水面，浮现
drown vi.淹死，溺死
注释：
1. ... cut two of his fingers on the shark's teeth.被鲨鱼咬掉了两个指头。
2. A person has a greater chance of being struck by lightning or drowning in a bath than of being killed by a shark.比起被鲨鱼杀死,人类更有可能被闪电击中或是淹死在浴缸中。
练习：
1. After Craig Rogers fell into the water, the shark_________.
A) bit his surfboard
B) bit his fingers
C) swam away
D) attacked him
2. It is difficult for the author to understand why great whites_________.
A) often let humans escape
B) kill humans
C) have so many teeth
D) grow to six meters or more
3. Which of the following is closest in meaning to make up in line 2 of paragraph 4?idea是什么意思英语翻译
A) create.
B) are.
C) increase.
D) depend upon.
4. The word their in line 2 of paragraph 4 means_________.
A) people's
B) great whites'
C) sea lions'
D) seals'
5. What is the main idea of the fourth paragraph?
A) Great whites eat low-fat, bony meals more slowly.
B) Great whites see well enough to include seals, sea lions, and humans in their diet.
C) We now know great whites don't mistake humans for other animals.
D) There is reason to doubt that great whites see well enough to attack humans. 答案与题解：

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